/* Canonical nav chrome. Tokens live on .qa-nav so this file paints the same
   bar on a host that does not load style.css. Positioning is opt-in (.qa-nav--fixed).
   Requires the host to load the Outfit and JetBrains Mono font faces; fallbacks are declared. */
.qa-nav {
  --bg-card: #111118;
  --bg-card-hover: #16161f;
  --border: #1e1e2a;
  --text-primary: #e8e8ed;
  --text-secondary: #9a9ab2;
  --text-dim: #777791;
  --cyan: #22d3ee;
  --cyan-dim: #0e7490;
  --cyan-ink: #06232a;
  --cyan-hover: #4fdcf2;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  font-variant: normal;
  font-size: 16px;
  font-size-adjust: none;
  line-height: 1.6;
  letter-spacing: normal;
  word-spacing: normal;
  font-kerning: auto;
  font-feature-settings: normal;
  font-variation-settings: normal;
  text-transform: none;
  text-decoration: none;
  text-shadow: none;
  text-align: left;
  text-indent: 0;
  white-space: normal;
  direction: ltr;
  writing-mode: horizontal-tb;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: auto;
  box-sizing: border-box;
  height: 56px;
  padding: 0 24px;
  background: rgba(10, 10, 15, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.qa-nav *, .qa-nav *::before, .qa-nav *::after { box-sizing: border-box; }
.qa-nav--fixed { position: fixed; top: 0; left: 0; right: 0; z-index: 100; }
.qa-nav .nav-inner { max-width: 960px; height: 100%; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.qa-nav .brand { font-family: var(--font-body); font-size: 15px; font-weight: 600; font-style: normal; letter-spacing: 0.5px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; color: var(--text-primary); text-decoration: none; transition: color 0.2s; }
.qa-nav a.brand:hover { color: var(--cyan); }
.qa-nav .brand span { font-family: var(--font-body); font-size: 15px; font-weight: 600; font-style: normal; letter-spacing: 0.5px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; color: var(--cyan); }
.qa-nav .nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.qa-nav .nav-links > li { position: relative; }
.qa-nav .nav-links a, .qa-nav .nav-dd-btn { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border-radius: 8px; color: var(--text-secondary); text-decoration: none; font-family: var(--font-body); font-size: 13.5px; font-weight: 500; font-style: normal; letter-spacing: 0.2px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; background: none; border: 0; cursor: pointer; transition: color 0.2s, background 0.2s; }
.qa-nav .nav-links a:hover, .qa-nav .nav-dd-btn:hover, .qa-nav .nav-links a.active { color: var(--text-primary); background: var(--bg-card-hover); }
.qa-nav .nav-links a[aria-current="page"] { color: var(--cyan); }
.qa-nav .nav-dd-btn.is-current { color: var(--cyan); }
.qa-nav .nav-dd-btn svg { opacity: 0.7; transition: transform 0.15s; }
.qa-nav .nav-dd.open > .nav-dd-btn svg { transform: rotate(180deg); }
.qa-nav .nav-menu { position: absolute; top: 40px; left: 0; min-width: 260px; padding: 6px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); display: none; }
.qa-nav .nav-dd.open > .nav-menu { display: block; }
.qa-nav .nav-menu a, .qa-nav .nav-menu .nav-menu-soon { display: flex; justify-content: space-between; align-items: center; height: 38px; padding: 0 10px; border-radius: 8px; color: var(--text-primary); }
.qa-nav .nav-menu a { font-family: var(--font-body); font-size: 13.5px; font-weight: 500; font-style: normal; letter-spacing: 0.2px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; }
.qa-nav .nav-menu .nav-menu-soon { font-family: var(--font-body); font-size: 13.5px; font-weight: 500; font-style: normal; letter-spacing: normal; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; color: var(--text-dim); cursor: default; }
.qa-nav .nav-menu small { font-family: var(--font-mono); font-size: 11px; font-weight: 400; font-style: normal; letter-spacing: 0.04em; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; color: var(--text-dim); }
.qa-nav .nav-menu a.nav-menu-all { margin-top: 6px; padding-top: 6px; height: 42px; border-top: 1px solid var(--border); border-radius: 0 0 8px 8px; font-family: var(--font-body); font-size: 13.5px; font-weight: 500; font-style: normal; letter-spacing: 0.2px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; color: var(--text-secondary); }
.qa-nav .nav-menu a.nav-menu-all:hover { color: var(--cyan); }
.qa-nav .nav-links a.nav-cta { height: 32px; margin-left: 8px; padding: 0 14px; border-radius: 10px; background: var(--cyan); color: var(--cyan-ink); font-family: var(--font-body); font-size: 13.5px; font-weight: 600; font-style: normal; letter-spacing: 0.2px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; }
.qa-nav .nav-links a.nav-cta:hover { background: var(--cyan-hover); color: var(--cyan-ink); }

/* --- Nested sub-dropdown (Guides mega-menu) --- */
.qa-nav .nav-menu--nested { min-width: 220px; right: 0; left: auto; }
.qa-nav .nav-sub { position: relative; }
.qa-nav .nav-sub-btn { display: flex; justify-content: space-between; align-items: center; width: 100%; height: 38px; padding: 0 10px; border-radius: 8px; background: none; border: 0; cursor: pointer; color: var(--text-primary); font-family: var(--font-body); font-size: 13.5px; font-weight: 500; font-style: normal; letter-spacing: 0.2px; text-transform: none; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: auto; transition: color 0.2s, background 0.2s; }
.qa-nav .nav-sub-btn:hover { background: var(--bg-card-hover); }
.qa-nav .nav-sub-btn svg { opacity: 0.7; flex-shrink: 0; transition: transform 0.15s; }
.qa-nav .nav-sub.open > .nav-sub-btn { background: var(--bg-card-hover); color: var(--cyan); }
.qa-nav .nav-sub.open > .nav-sub-btn svg { transform: rotate(90deg); }
.qa-nav .nav-sub-soon { display: flex; justify-content: space-between; align-items: center; height: 38px; padding: 0 10px; border-radius: 8px; color: var(--text-dim); cursor: default; font-family: var(--font-body); font-size: 13.5px; font-weight: 500; letter-spacing: 0.2px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
.qa-nav .nav-sub-soon small { font-family: var(--font-mono); font-size: 11px; font-weight: 400; letter-spacing: 0.04em; color: var(--text-dim); }
/* Desktop flyout: sub-menu appears to the left (Guides sits right-of-center so leftward avoids viewport clip) */
.qa-nav .nav-sub-menu { position: absolute; right: calc(100% + 8px); left: auto; top: 0; min-width: 280px; max-height: min(520px, calc(100vh - 120px)); overflow-y: auto; padding: 6px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); display: none; }
.qa-nav .nav-sub.open > .nav-sub-menu { display: block; }
.qa-nav .nav-sub-menu a { display: flex; align-items: center; min-height: 34px; padding: 4px 10px; border-radius: 8px; color: var(--text-primary); text-decoration: none; font-family: var(--font-body); font-size: 13px; font-weight: 400; letter-spacing: 0.2px; line-height: 1.4; -webkit-font-smoothing: antialiased; transition: color 0.2s, background 0.2s; }
.qa-nav .nav-sub-menu a:hover { background: var(--bg-card-hover); color: var(--cyan); }
.qa-nav .nav-sub-menu .nav-menu-soon { height: 34px; font-size: 13px; font-weight: 400; }

/* Hamburger toggle: hidden on desktop; shown on phone portrait via the @media block below. */
.qa-nav .nav-burger { display: none; flex: 0 0 auto; flex-direction: column; align-items: center; justify-content: center; gap: 4px; width: 44px; height: 44px; padding: 0; background: none; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; }
.qa-nav .nav-burger span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--text-secondary); transition: transform 0.25s ease, opacity 0.2s ease; }
.qa-nav .nav-burger:hover span { background: var(--cyan); }
.qa-nav.nav-open .nav-burger { border-color: var(--cyan-dim); }
.qa-nav.nav-open .nav-burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.qa-nav.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
.qa-nav.nav-open .nav-burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
@media (prefers-reduced-motion: reduce) { .qa-nav .nav-burger span, .qa-nav .nav-links, .qa-nav .nav-dd-btn svg, .qa-nav .nav-sub-btn svg { transition: none; } }

/* Mobile portrait: hamburger menu replaces the desktop nav row. */
@media (max-width: 600px) {
  .qa-nav .nav-burger { display: inline-flex; }
  .qa-nav .nav-links {
    position: absolute; top: 100%; left: 0; right: 0; z-index: 5;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 24px 16px;
    background: rgba(8, 9, 14, 0.99); backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border); box-shadow: 0 16px 30px rgba(0, 0, 0, 0.45);
    max-height: 0; overflow: hidden; opacity: 0; pointer-events: none; visibility: hidden;
    transition: max-height 0.28s ease, opacity 0.2s ease, visibility 0s linear 0.28s;
  }
  .qa-nav.nav-open .nav-links { max-height: calc(100vh - 56px); overflow-y: auto; opacity: 1; pointer-events: auto; visibility: visible; transition: max-height 0.28s ease, opacity 0.2s ease, visibility 0s; }
  .qa-nav .nav-links li { width: 100%; }
  .qa-nav .nav-links > li > a { border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .qa-nav .nav-links li:last-child a { border-bottom: none; }
  .qa-nav .nav-links a, .qa-nav .nav-dd-btn { width: 100%; justify-content: space-between; height: 44px; border-radius: 8px; }
  .qa-nav .nav-menu { position: static; box-shadow: none; border: 0; padding: 0 0 6px 12px; min-width: 0; }
  /* Mobile nested sub-menus: inline accordion instead of flyout */
  .qa-nav .nav-sub-menu { position: static; left: auto; top: auto; box-shadow: none; border: 0; border-radius: 0; padding: 0 0 4px 12px; min-width: 0; max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.25s ease, opacity 0.2s ease; }
  .qa-nav .nav-sub.open > .nav-sub-menu { display: block; max-height: 600px; opacity: 1; }
  .qa-nav .nav-sub.open > .nav-sub-btn svg { transform: rotate(90deg); }
  .qa-nav .nav-sub-btn { height: 40px; }
  .qa-nav .nav-sub-menu a { height: 38px; white-space: normal; }
  .qa-nav .nav-sub-menu .nav-menu-soon { height: 34px; }
  .qa-nav .nav-links li.nav-cta-li { padding-top: 8px; }
  .qa-nav .nav-links a.nav-cta { margin-left: 0; justify-content: center; }
}