/* x402 CLI — Terminal-inspired design system */

:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #111113;
  --bg-tertiary: #18181b;
  --bg-glass: rgba(24, 24, 27, 0.72);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(52, 211, 153, 0.25);
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-green: #34d399;
  --accent-green-dim: #10b981;
  --accent-blue: #60a5fa;
  --accent-amber: #fbbf24;
  --font-mono: "Cascadia Code", "SF Mono", "Fira Code", Consolas, monospace;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-glow: 0 0 40px rgba(52, 211, 153, 0.08);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(52, 211, 153, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(96, 165, 250, 0.05), transparent),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(52, 211, 153, 0.04), transparent);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--text-primary);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}

/* ─── Navbar ─── */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo span {
  color: var(--accent-green);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-pill:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
}

.nav-pill-x:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.04) 100%);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-pill-github:hover {
  border-color: var(--border-accent);
  color: var(--accent-green);
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.12) 0%, rgba(52, 211, 153, 0.04) 100%);
  box-shadow: 0 4px 20px rgba(52, 211, 153, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-pill .icon-x,
.nav-pill .icon-github {
  display: block;
  flex-shrink: 0;
  opacity: 0.9;
}

.nav-pill-label {
  letter-spacing: -0.01em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

/* ─── Buttons ─── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-green);
  color: var(--bg-primary);
  border-color: var(--accent-green);
}

.btn-primary:hover {
  background: var(--accent-green-dim);
  border-color: var(--accent-green-dim);
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(52, 211, 153, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  border-color: var(--border-accent);
  background: rgba(52, 211, 153, 0.06);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border-color: var(--border-subtle);
  font-size: 0.8125rem;
  padding: 0.5rem 0.875rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
}

/* ─── Hero ─── */

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid var(--border-accent);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  max-width: 520px;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ─── Terminal ─── */

.terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  position: relative;
}

.terminal-live {
  border-color: rgba(52, 211, 153, 0.15);
  box-shadow: 0 0 60px rgba(52, 211, 153, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  opacity: 0.4;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #eab308; }
.terminal-dot.green { background: #22c55e; }

.terminal-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.75;
  min-height: 220px;
  overflow-x: auto;
}

.terminal-prompt {
  color: var(--accent-green);
}

.terminal-command {
  color: var(--text-primary);
}

.terminal-output {
  color: var(--text-secondary);
}

.terminal-output .highlight {
  color: var(--accent-amber);
}

.terminal-output .success {
  color: var(--accent-green);
}

.terminal-output .info {
  color: var(--accent-blue);
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--accent-green);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

.terminal-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-tertiary);
  padding: 0 0.5rem;
}

.terminal-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.625rem 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}

.terminal-tab:hover {
  color: var(--text-secondary);
}

.terminal-tab.active {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

/* ─── Sections ─── */

section {
  padding: 4rem 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 2.5rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
}

/* ─── Features Grid ─── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

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

.feature-icon {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-green);
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── Steps ─── */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.step {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

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

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  margin-bottom: 0.75rem;
}

.step h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── Built For ─── */

.built-for-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.built-for-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.built-for-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.built-for-card .icon {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-green);
  margin-bottom: 1rem;
}

.built-for-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.built-for-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── Roadmap Preview ─── */

.roadmap-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.roadmap-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
}

.roadmap-item:last-child {
  border-bottom: none;
}

.roadmap-phase {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-green);
  white-space: nowrap;
}

.roadmap-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.roadmap-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.roadmap-item.active {
  background: rgba(52, 211, 153, 0.04);
  margin: 0 -1rem;
  padding: 1.25rem 1rem;
  border-radius: var(--radius-sm);
  border-bottom: none;
}

/* ─── Disclaimer ─── */

.disclaimer {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
}

.disclaimer p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.disclaimer strong {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ─── Footer ─── */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-green);
}

.footer-copy {
  width: 100%;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── Page Header (subpages) ─── */

.page-header {
  padding: 3.5rem 0 2rem;
}

.page-header h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.page-header p {
  color: var(--text-secondary);
  max-width: 600px;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ─── Docs Content ─── */

.docs-content {
  padding-bottom: 4rem;
}

.docs-section {
  margin-bottom: 2.5rem;
}

.docs-section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.docs-section p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.docs-section ul {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.docs-section li {
  margin-bottom: 0.35rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(251, 191, 36, 0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(251, 191, 36, 0.25);
  margin-bottom: 1rem;
}

.code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.75;
  overflow-x: auto;
  margin: 1rem 0;
  color: var(--text-secondary);
}

.code-block .cmd {
  color: var(--accent-green);
}

.code-block .comment {
  color: var(--text-muted);
}

/* ─── Registry Table ─── */

.registry-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
}

.registry-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.registry-table th,
.registry-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.registry-table th {
  background: var(--bg-tertiary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 500;
}

.registry-table tr:last-child td {
  border-bottom: none;
}

.registry-table tr:hover td {
  background: rgba(52, 211, 153, 0.03);
}

.badge-demo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: rgba(96, 165, 250, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.registry-cards {
  display: none;
}

/* ─── Roadmap Page ─── */

.roadmap-timeline {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 3rem;
}

.roadmap-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-green), var(--border-subtle));
}

.roadmap-timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.roadmap-timeline-item:hover {
  border-color: var(--border-accent);
}

.roadmap-timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 1.75rem;
  width: 10px;
  height: 10px;
  background: var(--accent-green);
  border-radius: 50%;
  transform: translateX(-4px);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.4);
}

.roadmap-timeline-item.current::before {
  background: var(--accent-amber);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.4);
}

.roadmap-timeline-item .phase-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  margin-bottom: 0.5rem;
}

.roadmap-timeline-item.current .phase-label {
  color: var(--accent-amber);
}

.roadmap-timeline-item h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.roadmap-timeline-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── Mobile Nav ─── */

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

  .built-for-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-pill-github .nav-pill-label {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.5rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 0.75rem 1rem;
  }

  .navbar-inner {
    position: relative;
  }

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

  .steps {
    grid-template-columns: 1fr;
  }

  .roadmap-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .registry-table-wrap {
    display: none;
  }

  .registry-cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .registry-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem;
  }

  .registry-card h3 {
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
  }

  .registry-card .price {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
  }

  .footer-grid {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .nav-pill-github .nav-pill-label {
    display: none;
  }

  .nav-pill {
    padding: 0.4rem 0.65rem;
    font-size: 0.6875rem;
  }
}

/* ─── Live Terminal Demo ─── */

.demo-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.demo-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: stretch;
}

.demo-input-wrap {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0 0.875rem;
  transition: border-color var(--transition);
}

.demo-input-wrap:focus-within {
  border-color: var(--border-accent);
}

.demo-input-wrap span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-green);
  margin-right: 0.5rem;
  white-space: nowrap;
}

.demo-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0.75rem 0;
  outline: none;
  min-width: 0;
}

.demo-input::placeholder {
  color: var(--text-muted);
}

.demo-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.preset-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.preset-btn:hover,
.preset-btn.active {
  border-color: var(--border-accent);
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.06);
}

.terminal-output .dim {
  color: var(--text-muted);
}

.terminal-output .loading {
  color: var(--accent-blue);
}

.terminal-output .loading::after {
  content: "";
  animation: dots 1.2s steps(4, end) infinite;
}

@keyframes dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
}

.btn-scan:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Registry Filters ─── */

.registry-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.registry-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--border-accent);
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.08);
}

.registry-table td.price-col {
  font-family: var(--font-mono);
  color: var(--accent-green);
  font-size: 0.8125rem;
}

.registry-table .cat-col {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.btn-table-action {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.3rem 0.6rem;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: 4px;
  color: var(--accent-green);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-table-action:hover {
  background: rgba(52, 211, 153, 0.15);
}

.registry-row.hidden {
  display: none;
}

.registry-card.hidden {
  display: none;
}

/* ─── Why Section ─── */

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.why-points {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.why-point {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.why-point:hover {
  border-color: var(--border-accent);
}

.why-point-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.why-point p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.why-aside {
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.why-aside .line-accent {
  color: var(--accent-green);
}

/* ─── Changelog ─── */

.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.changelog-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  transition: background var(--transition);
}

.changelog-item:last-child {
  border-bottom: none;
}

.changelog-item:hover {
  background: rgba(52, 211, 153, 0.03);
}

.changelog-item.current {
  background: rgba(52, 211, 153, 0.05);
  border-left: 2px solid var(--accent-green);
}

.changelog-ver {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-green);
  font-weight: 600;
}

.changelog-item.current .changelog-ver {
  color: var(--accent-amber);
}

.changelog-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.changelog-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.changelog-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(251, 191, 36, 0.2);
  margin-left: 0.5rem;
  vertical-align: middle;
}

.changelog-tag.planned {
  background: rgba(96, 165, 250, 0.1);
  color: var(--accent-blue);
  border-color: rgba(96, 165, 250, 0.2);
}

/* ─── Forms ─── */

.form-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 640px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.625rem 0.875rem;
  transition: border-color var(--transition);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1rem;
  line-height: 1.6;
}

/* ─── Modal ─── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  transform: translateY(12px);
  transition: transform 0.25s ease;
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.modal p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ─── Commands Page ─── */

.command-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: border-color var(--transition);
}

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

.command-card h3 {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--accent-green);
  margin-bottom: 0.5rem;
}

.command-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.command-syntax {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  display: inline-block;
}

/* ─── Footer Disclaimer ─── */

.footer-disclaimer {
  width: 100%;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.section-live {
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.03) 0%, transparent 100%);
}

@media (max-width: 900px) {
  .why-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-links a {
    font-size: 0.8125rem;
    padding: 0.5rem 0.625rem;
  }
}

@media (max-width: 768px) {
  .demo-controls {
    flex-direction: column;
  }

  .demo-controls .btn-scan {
    width: 100%;
  }

  .changelog-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

/* ─── Fullscreen Demo Page ─── */

.demo-page {
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.demo-page::before,
.demo-page::after {
  opacity: 0.7;
}

.demo-chrome {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1.25rem;
  height: 52px;
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 10;
}

.demo-chrome-left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
}

.demo-chrome-divider {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.demo-chrome-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.demo-scene-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.1);
  color: var(--accent-green);
  border: 1px solid var(--border-accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
}

.demo-chrome-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.demo-ctrl-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.demo-ctrl-btn:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.demo-ctrl-btn[aria-pressed="true"] {
  color: var(--accent-amber);
  border-color: rgba(251, 191, 36, 0.35);
}

.demo-ctrl-exit {
  color: var(--accent-green);
}

.demo-stage {
  flex: 1;
  min-height: 0;
  padding: 1rem;
  display: flex;
  z-index: 1;
}

.demo-terminal-wrap {
  flex: 1;
  min-height: 0;
  display: flex;
}

.demo-terminal {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #080809;
  border: 1px solid rgba(52, 211, 153, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 80px rgba(52, 211, 153, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
}

.demo-terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.04) 2px,
    rgba(0, 0, 0, 0.04) 4px
  );
  pointer-events: none;
  z-index: 2;
}

.demo-terminal-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #0e0e10;
  border-bottom: 1px solid var(--border-subtle);
}

.demo-terminal-title {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo-live-indicator {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.demo-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse 1.5s infinite;
}

.demo-terminal-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: clamp(0.8125rem, 1.4vw, 0.9375rem);
  line-height: 1.8;
  scroll-behavior: smooth;
}

.demo-history {
  color: var(--text-secondary);
}

.demo-history .demo-block {
  margin-bottom: 1.25rem;
}

.demo-history .demo-cmd-line {
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.demo-history .demo-cmd-line .terminal-prompt {
  color: var(--accent-green);
}

.demo-history .demo-out-line {
  opacity: 0;
  transform: translateY(4px);
  animation: demoLineIn 0.25s ease forwards;
}

@keyframes demoLineIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.demo-history .success { color: var(--accent-green); }
.demo-history .info { color: var(--accent-blue); }
.demo-history .highlight { color: var(--accent-amber); }
.demo-history .dim { color: var(--text-muted); }
.demo-history .warn { color: #f87171; }

.demo-active-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0;
  min-height: 1.8em;
}

.demo-typed-cmd {
  color: var(--text-primary);
  word-break: break-all;
}

.demo-terminal-footer {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: #0e0e10;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.demo-footer-sep {
  opacity: 0.4;
}

.demo-page .terminal-cursor {
  opacity: 1;
}

.demo-page .terminal-cursor.hidden {
  opacity: 0;
}

@media (max-width: 768px) {
  .demo-stage {
    padding: 0.5rem;
  }

  .demo-chrome-label {
    display: none;
  }

  .demo-scene-badge {
    max-width: 100px;
  }

  .demo-terminal-body {
    padding: 1rem;
  }

  .demo-terminal-title {
    display: none;
  }
}

@media (max-width: 480px) {
  .demo-chrome {
    padding: 0 0.75rem;
  }

  .demo-ctrl-btn {
    padding: 0.35rem 0.5rem;
    font-size: 0.6875rem;
  }
}