@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --color-primary: #3F4F68;
  --color-secondary: #F2F3EE;
  --color-accent: #43423F;
  --color-ink: #1C2433;
  --color-ink-muted: #586070;
  --color-line: rgba(63, 79, 104, 0.2);
  --color-panel: rgba(255, 255, 255, 0.75);
  --radius: 12px;
  --shadow: 0 18px 80px rgba(37, 47, 64, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-secondary);
  color: var(--color-ink);
  line-height: 1.6;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: linear-gradient(90deg, var(--color-line) 1px, transparent 1px),
    linear-gradient(0deg, var(--color-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.8;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  inset: 40px;
  border: 2px solid rgba(67, 66, 63, 0.3);
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img,
video {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem clamp(1.5rem, 4vw, 4rem);
  background: rgba(242, 243, 238, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(63, 79, 104, 0.3);
  z-index: 10;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
}

.brand-mark {
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-size: 1rem;
}

.tagline {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.primary-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.primary-nav a {
  color: var(--color-ink);
  border-bottom: 1px dashed transparent;
  padding-bottom: 2px;
}

.primary-nav a:hover {
  border-color: var(--color-accent);
}

.hero {
  padding: clamp(2rem, 6vw, 4rem) clamp(1.5rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-ink-muted);
}

.cta-row {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  border: 2px solid var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.button.primary {
  background: var(--color-primary);
  color: var(--color-secondary);
  box-shadow: var(--shadow);
}

.button.secondary {
  background: transparent;
  color: var(--color-accent);
}

.hero-media {
  background: var(--color-panel);
  padding: 1rem;
  border: 2px solid rgba(63, 79, 104, 0.4);
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(2rem, 6vw, 4rem) clamp(1.5rem, 6vw, 5rem);
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.section p.lead {
  max-width: 60ch;
  color: var(--color-ink-muted);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.card {
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(63, 79, 104, 0.3);
  border-radius: var(--radius);
  padding: 1.5rem;
  min-height: 200px;
  position: relative;
  box-shadow: 0 20px 50px rgba(63, 79, 104, 0.1);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.card small {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

.card ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--color-ink-muted);
}

.card ul li {
  margin-bottom: 0.35rem;
}

.pipeline-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.pipeline-steps .card {
  border-style: dashed;
}

.video-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  padding: clamp(2rem, 6vw, 4rem);
}

.docs-sidebar {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(63, 79, 104, 0.3);
  border-radius: var(--radius);
  padding: 1rem;
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
}

.docs-sidebar .sidebar-card {
  border-bottom: 1px dashed rgba(63, 79, 104, 0.3);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}

.nav-section + .nav-section {
  margin-top: 1rem;
}

.nav-section h3 {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.nav-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-section li {
  margin-bottom: 0.4rem;
}

.nav-section li.active a {
  color: var(--color-primary);
  font-weight: 600;
}

.doc-article {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(63, 79, 104, 0.35);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 3rem);
  box-shadow: 0 30px 60px rgba(63, 79, 104, 0.15);
}

.doc-article pre {
  background: #111b2b;
  color: #f8f8f2;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-family: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}

.doc-article code {
  font-family: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  background: rgba(63, 79, 104, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.doc-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

.doc-article th,
.doc-article td {
  border: 1px solid rgba(63, 79, 104, 0.2);
  padding: 0.65rem;
  text-align: left;
}

.doc-article th {
  background: rgba(63, 79, 104, 0.1);
}

.site-footer {
  padding: 2rem clamp(1.5rem, 6vw, 5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(63, 79, 104, 0.3);
  background: rgba(242, 243, 238, 0.95);
}

.site-map-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
}

.site-map-table th,
.site-map-table td {
  border: 1px solid rgba(63, 79, 104, 0.25);
  padding: 0.75rem;
}

.site-map-table th {
  background: rgba(63, 79, 104, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 960px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: static;
    max-height: none;
  }

  .site-header {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: 1rem;
  }

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

@media (max-width: 640px) {
  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .site-footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}