/* help.qualifier.ai: dark, matching the qualifier.ai marketing pages
   (neutral-950 background, brand-600 blue, Inter + Space Grotesk). */
:root {
  --bg: #0a0a0a;
  --panel: #111113;
  --line: #262626;
  --line-soft: rgba(255, 255, 255, .06);
  --text: #e5e5e5;
  --strong: #fff;
  --muted: #a3a3a3;
  --faint: #737373;
  --brand: #2563eb;
  --brand-hover: #1d4ed8;
  --link: #60a5fa;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: "Space Grotesk", Inter, sans-serif; color: var(--strong); letter-spacing: -.01em; line-height: 1.25; }
h1 { font-size: clamp(1.75rem, 3.5vw, 2.4rem); margin: 0 0 .75rem; }
.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 46rem; }
.sr, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; top: .5rem; left: .5rem; z-index: 100; background: var(--brand); color: #fff; padding: .5rem 1rem; border-radius: 8px; }
.muted { color: var(--muted); }
.lede { color: var(--muted); font-size: 1.125rem; margin: 0 0 1.5rem; }

/* Navigation */
.nav { position: sticky; top: 0; z-index: 40; background: rgba(10, 10, 10, .8); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line-soft); }
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.brand { display: flex; align-items: center; gap: .75rem; }
.brand:hover { text-decoration: none; }
.brand img { height: 28px; width: auto; display: block; }
.brand-tag { color: var(--muted); font-size: .875rem; font-weight: 500; padding-left: .75rem; border-left: 1px solid var(--line); }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a:not(.btn) { color: var(--muted); font-size: .875rem; font-weight: 500; }
.nav-links a:not(.btn):hover { color: #fff; text-decoration: none; }
@media (max-width: 640px) { .nav-links a:not(.btn) { display: none; } .brand-tag { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: .5rem; border: 0; cursor: pointer;
  background: var(--brand); color: #fff; font: 500 .875rem/1 Inter, sans-serif;
  padding: .7rem 1rem; border-radius: 8px; transition: background .15s;
}
.btn:hover { background: var(--brand-hover); text-decoration: none; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.ghost:hover { border-color: #404040; background: rgba(255, 255, 255, .03); }
.linkish { background: none; border: 0; padding: 0; color: var(--link); font: inherit; cursor: pointer; }
.linkish:hover { text-decoration: underline; }

/* Hero + search */
.hero { padding: 5rem 0 3rem; text-align: center; background: radial-gradient(ellipse at top, rgba(59, 130, 246, .10), transparent 65%); }
.hero .lede { margin-bottom: 2rem; }
.search { position: relative; display: block; text-align: left; margin: 0 0 1.5rem; }
.search svg { position: absolute; left: 1rem; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); color: var(--faint); pointer-events: none; }
.search input {
  width: 100%; padding: .95rem 1rem .95rem 3rem; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); color: var(--strong);
  font: 1rem Inter, sans-serif; outline: none; transition: border-color .15s, box-shadow .15s;
}
.search input::placeholder { color: var(--faint); }
.search input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37, 99, 235, .25); }

/* Category grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: 1.25rem; padding-bottom: 5rem; }
.card { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1.5rem; display: flex; flex-direction: column; }
.card h2 { font-size: 1.15rem; margin: 0 0 .35rem; }
.card h2 a { color: var(--strong); }
.card p { font-size: .9rem; margin: 0 0 1rem; }
.mini { list-style: none; margin: 0 0 1rem; padding: 0; flex: 1; }
.mini li { padding: .3rem 0; font-size: .9rem; line-height: 1.45; }
.mini a { color: var(--text); }
.mini a:hover { color: var(--link); }
.more { font-size: .875rem; font-weight: 500; }

/* Lists, pages */
.page { padding: 2.5rem 1.5rem 5rem; }
.crumbs { font-size: .875rem; color: var(--faint); margin-bottom: 1.5rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.crumbs a { color: var(--muted); }
.list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-soft); }
.list li { border-bottom: 1px solid var(--line-soft); }
.list a { display: block; padding: 1rem .25rem; }
.list a:hover { text-decoration: none; background: rgba(255, 255, 255, .02); }
.list-title { display: block; color: var(--strong); font-weight: 500; }
.list a:hover .list-title { color: var(--link); }
.list-sum { display: block; color: var(--muted); font-size: .9rem; margin-top: .2rem; }
.results-count { margin: -.5rem 0 1rem; font-size: .9rem; }

/* Article */
.toc { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1.5rem 0; background: var(--panel); }
.toc p { margin: 0 0 .4rem; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); }
.toc ul { margin: 0; padding-left: 1.1rem; font-size: .925rem; }
.prose { color: var(--text); }
.prose h2 { font-size: 1.4rem; margin: 2.25rem 0 .75rem; scroll-margin-top: 5rem; }
.prose h3 { font-size: 1.1rem; margin: 1.75rem 0 .5rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1rem; }
.prose li { margin: .3rem 0; }
.prose li > p { margin: 0; }
.prose strong { color: var(--strong); font-weight: 600; }
.prose code { font: .875em ui-monospace, SFMono-Regular, Menlo, monospace; background: #1c1c1f; border: 1px solid var(--line); border-radius: 5px; padding: .1em .35em; color: #f5f5f5; }
.prose pre { background: #1c1c1f; border: 1px solid var(--line); border-radius: 8px; padding: 1rem; overflow-x: auto; }
.prose pre code { border: 0; padding: 0; background: none; }
.prose blockquote { margin: 0 0 1.1rem; padding: .75rem 1rem; border-left: 3px solid var(--brand); background: rgba(37, 99, 235, .08); border-radius: 0 8px 8px 0; color: var(--text); }
.prose blockquote p:last-child { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.25rem; font-size: .925rem; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { color: var(--strong); font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
.prose img { max-width: 100%; border-radius: 8px; border: 1px solid var(--line); }
.helpful { margin: 3rem 0 0; padding: 1.25rem 1.5rem; border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--panel); display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.helpful p { margin: 0 auto 0 0; color: var(--strong); font-weight: 500; }
.related { margin-top: 3rem; }
.related h2 { font-size: 1.1rem; margin: 0 0 .75rem; }

/* Footer */
.foot { border-top: 1px solid var(--line-soft); padding: 2rem 0; font-size: .875rem; color: var(--faint); }
.foot-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.foot p { margin: 0; }