.landing { overflow-x: hidden; }

.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: calc(var(--space-7) + 52px) var(--space-6) var(--space-5);
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: auto;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: var(--space-3);
  line-height: 1.2;
  color: var(--text-primary);
  font-weight: 400;
}

.hero .lead {
  font-family: var(--font-body);
  max-width: 460px;
  margin: 0 auto var(--space-5);
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: 500;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-bar.scrolled {
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.05);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
}
.nav-logo img { width: 22px; height: 22px; }
.nav-logo span {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  font-style: italic;
}

.nav-links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}
.nav-links a:hover { color: var(--text-primary); text-decoration: none; }

.section {
  padding: var(--space-5) var(--space-6);
  max-width: 680px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-code);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.section h2 {
  margin-top: 0;
}

.section p {
  max-width: 560px;
}

.layout-table-wrap {
  overflow-x: auto;
  margin: var(--space-4) 0;
}

.cite-block {
  background: transparent;
  border: none;
  border-left: 2px solid var(--text-tertiary);
  border-radius: 0;
  padding: var(--space-3) var(--space-5);
  margin-left: var(--space-4);
  font-family: var(--font-code);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  position: relative;
}

.footer-landing {
  text-align: center;
  padding: var(--space-6) var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}
.footer-landing a {
  color: var(--text-secondary);
  text-decoration: none;
}
.footer-landing a:hover {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .hero { min-height: 60vh; padding: calc(var(--space-7) + 52px) var(--space-4) var(--space-6); }
  .hero h1 { font-size: 2.8rem; }
  .section { padding: var(--space-6) var(--space-4); }
  .nav-links { gap: var(--space-3); }
  .nav-links a { font-size: var(--text-xs); }
}