/* hve-squad docs — dark, terminal-inspired theme */

:root {
  --bg: #0b0f14;
  --bg-soft: #11171f;
  --panel: #151c26;
  --panel-2: #1b2430;
  --border: #243140;
  --text: #d7e0ea;
  --muted: #8a98a8;
  --accent: #3ddc97;
  --accent-2: #5aa9ff;
  --warn: #ffc857;
  --danger: #ff6b6b;
  --code-bg: #0e141b;
  --radius: 12px;
  --maxw: 980px;
  --mono: "SFMono-Regular", "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(90, 169, 255, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(61, 220, 151, 0.07), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* Top navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(11, 15, 20, 0.82);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
}
.brand img { width: 28px; height: 28px; display: block; }
.brand .dot { color: var(--accent); }

/* Hero logo lockup */
.hero-logo {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}
.hero-logo img { width: 60px; height: 60px; }
.hero-logo .wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.5px;
}
.hero-logo .wordmark .dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 16px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--muted);
  font-size: 14px;
  padding: 4px 2px;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); text-decoration: none; }
.nav-links a.active { border-bottom: 2px solid var(--accent); }

/* Hero */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.15;
  margin: 0 0 16px;
}
.hero p.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--border);
  margin: 4px 8px 4px 0;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #06281c;
  border-color: var(--accent);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: var(--panel); color: var(--text); }
.btn-ghost:hover { background: var(--panel-2); }

/* Section labels */
.section { padding: 44px 0; }
.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 20px;
}

/* Card grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--panel-2);
}
.card .icon { font-size: 22px; }
.card h3 { margin: 10px 0 6px; font-size: 17px; color: var(--text); }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .tag {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--accent);
  text-transform: uppercase;
}

/* Content typography */
.content { padding: 40px 0 80px; }
.content h2 {
  font-size: 26px;
  margin: 40px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.content h2:first-of-type { border-top: none; }
.content h3 { font-size: 19px; margin: 26px 0 8px; }
.content p, .content li { color: var(--text); }
.content ul, .content ol { padding-left: 22px; }
.content li { margin: 6px 0; }

/* Code */
code {
  font-family: var(--mono);
  font-size: 13.5px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  color: #e6edf3;
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  line-height: 1.5;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13.5px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}
th, td {
  border: 1px solid var(--border);
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
}
th { background: var(--panel-2); color: var(--text); }
td { color: var(--muted); }

/* Callouts */
.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  background: var(--bg-soft);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 18px 0;
}
.callout.warn { border-left-color: var(--warn); }
.callout.danger { border-left-color: var(--danger); }
.callout p { margin: 0; }
.callout strong { color: var(--text); }

/* Mermaid diagrams */
.mermaid {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin: 18px 0;
  text-align: center;
  overflow-x: auto;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 14px;
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--text); }

/* Page navigation (prev/next) */
.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.pager a {
  flex: 1 1 240px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager .dir { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.pager .ttl { color: var(--text); font-weight: 600; }
.pager .next { text-align: right; }

/* Demo chevrons — multi-demo selector / stepper */
.demo-switch { margin: 28px 0 8px; }
.demo-switch .label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.demo-chevrons {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.demo-chevrons li { margin: 0; }
.demo-chevrons .chev {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-height: 48px;
  padding: 6px 20px 6px 30px;
  background: var(--panel);
  color: var(--muted);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%, 14px 50%);
}
.demo-chevrons li:first-child .chev {
  padding-left: 20px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
}
.demo-chevrons .chev .step {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}
.demo-chevrons .chev .name { font-size: 13px; font-weight: 600; color: var(--text); }
.demo-chevrons a.chev:hover { background: var(--panel-2); text-decoration: none; }
.demo-chevrons a.chev:hover .step { color: var(--accent-2); }
.demo-chevrons .chev.active { background: var(--accent); }
.demo-chevrons .chev.active .step,
.demo-chevrons .chev.active .name { color: #06231a; }
.demo-chevrons .chev.soon { opacity: 0.55; cursor: default; }
.demo-chevrons .chev.soon .step { color: var(--warn); }
.demo-chevrons .chev.soon .name { color: var(--muted); }

/* Demo selector band — pinned at the top of the page, above the walkthrough */
.demo-bar {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.demo-bar .demo-switch { margin: 18px 0; }

/* Demo hub — parent landing cards */
.demo-hub {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 8px 0 24px;
}
.demo-hub .card { display: block; height: 100%; }
.demo-hub .card .step {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
}
.demo-hub .card.soon { opacity: 0.6; pointer-events: none; }
.demo-hub .card.soon .step { color: var(--warn); }

/* Video walkthroughs */
.video-figure {
  margin: 20px 0 28px;
  padding: 12px;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.video-figure video {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 4px);
  background: #000;
}
.video-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}
.video-figure figcaption .step {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: 8px;
}