:root {
  --primary: #111;
  --secondary: #333;
  --tertiary: #444;
  --muted: #555;
  --hint: #666;
  --subtle: #888;
  --border: #ccc;
  --border-light: #ddd;
  --border-lighter: #eee;
  --surface: #fafafa;
  --white: #fff;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-xxl: 24px;
  --space-section: 32px;
  --max: 1120px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--primary);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    var(--white);
  background-size: 32px 32px, 32px 32px, auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--secondary);
}

.page-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar,
.hero,
.signal-band,
.editorial-grid,
.beta-section,
.footer {
  animation: rise-in 420ms ease both;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: 0 0 20px;
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-lighter);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--white);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--primary);
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hint);
}

.microcopy {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.top-link,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  font-size: 14px;
  font-weight: 500;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.top-link:hover,
.btn:hover {
  transform: translateY(-1px);
}

.top-link:hover,
.btn-secondary:hover {
  color: var(--secondary);
  background: var(--surface);
}

.top-link,
.btn-secondary {
  background: var(--white);
  color: var(--primary);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  color: var(--white);
  background: #000;
  border-color: #000;
}

.btn-secondary {
  background: var(--border-lighter);
  border-color: var(--border);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.8fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.signal-card,
.feature,
.beta-section {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.hero-copy {
  padding: 28px;
}

.hero-status {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 10px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  background: var(--surface);
  color: var(--secondary);
  font-size: 12px;
}

.status-pill strong {
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}

.hero h1,
.editorial-grid h2,
.beta-section h2 {
  margin: 0;
  font-size: clamp(40px, 7vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--primary);
}

.editorial-grid h2,
.beta-section h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.signal-card h2,
.feature h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.1;
  font-weight: 600;
  color: var(--primary);
}

.lede,
.feature p,
.beta-section p,
.promise-list li,
.hero-panel-meta p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--secondary);
}

.lede {
  max-width: 44rem;
  margin: 16px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.hero-panel {
  padding: 24px;
  background: var(--surface);
}

.panel-kicker,
.meta-label {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hint);
}

.promise-list {
  margin: 0;
  padding-left: 18px;
}

.promise-list li + li {
  margin-top: 12px;
}

.panel-divider {
  height: 1px;
  margin: 20px 0;
  background: var(--border-light);
}

.hero-panel-meta p {
  margin: 0;
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.signal-card,
.feature {
  padding: 20px;
}

.signal-number {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 8px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  background: var(--surface);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hint);
}

.signal-card p,
.feature p {
  margin: 12px 0 0;
}

.editorial-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.feature-large {
  grid-row: span 2;
  padding: 28px;
  background: var(--surface);
}

.feature-large h2 {
  margin-top: 4px;
}

.beta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding: 28px;
  background: var(--surface);
}

.beta-copy {
  max-width: 48rem;
}

.beta-copy h2 {
  margin-top: 4px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding: 16px 0 0;
  border-top: 1px solid var(--border-lighter);
  font-size: 12px;
  color: var(--hint);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .signal-band,
  .editorial-grid {
    grid-template-columns: 1fr;
  }

  .beta-section,
  .footer,
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .feature-large {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max));
    padding-top: 16px;
  }

  .hero-copy,
  .hero-panel,
  .signal-card,
  .feature,
  .beta-section {
    padding: 18px;
  }

  .hero-actions {
    align-items: stretch;
  }

  .btn,
  .top-link {
    width: 100%;
  }

  .hero h1 {
    font-size: clamp(34px, 13vw, 50px);
  }
}