/* Shared site chrome — same menu on every page, opens from the left */
:root {
  --bige-ink-950: #0b0d10;
  --bige-ink-900: #12151a;
  --bige-ink-700: #252b36;
  --bige-ink-600: #3a4354;
  --bige-accent: #3d9e8f;
  --bige-accent-bright: #5ec4b4;
  --bige-mist: #9aa3b2;
  --bige-white: #f3f5f8;
  --bige-font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --bige-font-display: "Space Grotesk", ui-sans-serif, sans-serif;
  --bige-nav-width: 17.5rem;
  --bige-top-height: 3.5rem;
}

body.bige-nav-open {
  overflow: hidden;
}

/* ---- Top bar ---- */
.bige-top {
  position: sticky;
  top: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: var(--bige-top-height);
  padding: 0.65rem 1rem;
  background: #0b0d10;
  border-bottom: 1px solid var(--bige-ink-700);
}

.bige-top-brand {
  font-family: var(--bige-font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
  text-decoration: none;
  min-width: 0;
}
.bige-top-brand:visited,
.bige-top-brand:hover { color: #fff; }
.bige-top-brand .ops { color: var(--bige-accent-bright); }

.bige-top-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
}

.bige-top-cta {
  display: none;
  font-family: var(--bige-font-display);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--bige-ink-950);
  background: var(--bige-accent);
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  white-space: nowrap;
}
.bige-top-cta:visited { color: var(--bige-ink-950); }
.bige-top-cta:hover { background: var(--bige-accent-bright); color: var(--bige-ink-950); }

.bige-nav-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--bige-ink-700);
  border-radius: 8px;
  background: var(--bige-ink-900);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 320;
}
.bige-nav-toggle:focus-visible {
  outline: 2px solid var(--bige-accent-bright);
  outline-offset: 2px;
}
.bige-nav-toggle-bars {
  display: block;
  width: 1.05rem;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor;
  position: relative;
}
body.bige-nav-open .bige-nav-toggle-bars {
  height: 0;
  box-shadow: none;
}
body.bige-nav-open .bige-nav-toggle-bars::before,
body.bige-nav-open .bige-nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 1.05rem;
  height: 2px;
  background: currentColor;
}
body.bige-nav-open .bige-nav-toggle-bars::before { transform: rotate(45deg); }
body.bige-nav-open .bige-nav-toggle-bars::after { transform: rotate(-45deg); }

/* ---- Backdrop ---- */
.bige-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 280;
  margin: 0;
  border: 0;
  padding: 0;
  background: rgba(0, 0, 0, 0.55);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
body.bige-nav-open .bige-nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}
.bige-nav-backdrop[hidden] { display: none !important; }
body.bige-nav-open .bige-nav-backdrop[hidden] { display: block !important; }

/* ---- Left drawer (same panel everywhere) ---- */
.bige-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 290;
  width: min(var(--bige-nav-width), 86vw);
  max-width: 100%;
  margin: 0;
  padding: 4.75rem 1rem 2rem;
  background: var(--bige-ink-950);
  border-right: 1px solid var(--bige-ink-700);
  transform: translateX(-105%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.22s ease, visibility 0.22s ease;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
body.bige-nav-open .bige-nav {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}
.bige-nav[hidden] { display: none !important; }
body.bige-nav-open .bige-nav[hidden] { display: block !important; }

.bige-nav .bige-nav-label {
  font-family: var(--bige-font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bige-accent-bright);
  margin: 0 0 0.7rem;
}
.bige-nav .bige-nav-label.spaced { margin-top: 1.4rem; }

.bige-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.bige-nav a {
  display: block;
  text-decoration: none;
  color: var(--bige-mist);
  font-size: 0.95rem;
  padding: 0.45rem 0.55rem;
  border-radius: 6px;
  border-left: 2px solid transparent;
}
.bige-nav a:visited { color: var(--bige-mist); }
.bige-nav a:hover {
  color: #fff;
  background: rgba(94, 196, 180, 0.08);
}
.bige-nav a[aria-current="page"] {
  color: #fff;
  background: rgba(94, 196, 180, 0.12);
  border-left-color: var(--bige-accent-bright);
}

.bige-nav .bige-nav-download a {
  margin-top: 0.35rem;
  text-align: center;
  background: var(--bige-accent);
  color: var(--bige-ink-950);
  font-family: var(--bige-font-display);
  font-weight: 600;
  border-left: 0;
}
.bige-nav .bige-nav-download a:visited { color: var(--bige-ink-950); }
.bige-nav .bige-nav-download a:hover {
  background: var(--bige-accent-bright);
  color: var(--bige-ink-950);
}

/* Desktop: persistent left sidebar + room for content */
@media (min-width: 960px) {
  .bige-top-cta { display: inline-flex; }
  .bige-nav-toggle { display: none; }
  .bige-nav-backdrop { display: none !important; }

  .bige-nav {
    transform: none;
    visibility: visible;
    pointer-events: auto;
    top: var(--bige-top-height);
    padding-top: 1.25rem;
    display: block !important;
  }
  .bige-nav[hidden] { display: block !important; }

  /* Push page content under fixed top bar and beside sidebar */
  body.bige-has-nav {
    padding-left: var(--bige-nav-width);
    padding-top: var(--bige-top-height);
  }
  body.bige-has-nav .bige-top {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bige-nav,
  .bige-nav-backdrop { transition: none !important; }
}


/* Shared footer (also used on the marketing home) */
.site-footer.bige-footer,
.bige-footer {
  margin-top: 3rem;
  padding: 1.75rem 1.25rem 2.5rem;
  border-top: 1px solid var(--bige-ink-700);
  color: var(--bige-mist);
  font-size: 0.92rem;
}
.bige-footer .cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1.25rem 1.5rem;
  margin: 0 0 1.35rem;
  max-width: 1040px;
}
.bige-footer h3 {
  font-family: var(--bige-font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bige-mist);
  margin: 0 0 0.55rem;
}
.bige-footer ul { list-style: none; margin: 0; padding: 0; }
.bige-footer li { margin: 0 0 0.35rem; }
.bige-footer a {
  color: var(--bige-accent-bright);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.bige-footer a:visited { color: #9bb8d4; }
.bige-footer a:hover { color: #7ed4c6; }
.bige-footer .meta {
  margin: 0;
  color: var(--bige-ink-600, #3a4354);
  font-size: 0.85rem;
  max-width: 1040px;
}
@media (min-width: 960px) {
  body.bige-has-nav .bige-footer .cols,
  body.bige-has-nav .bige-footer .meta {
    /* content already padded by body; keep footer readable */
  }
}