/* Quivr guides — longform SEO / AI-citation pages */
:root {
  --canvas: #0a142f;
  --card: #14224a;
  --hairline: rgba(255,255,255,.12);
  --foam: #eaf2fc;
  --muted: #8fa6d1;
  --orange: #ee4418;
  --sky: #6baee8;
  --display: "Anton", Impact, sans-serif;
  --body: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --nav-h: 72px;
  --radius: 18px;
  --ease: cubic-bezier(.22,1,.36,1);
}

* { box-sizing: border-box; }
html {
  background: var(--canvas);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}
body {
  margin: 0;
  color: var(--foam);
  background:
    radial-gradient(ellipse at 12% -10%, rgba(107,174,232,.16), transparent 42%),
    radial-gradient(ellipse at 88% 0%, rgba(238,68,24,.12), transparent 40%),
    var(--canvas);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.nav {
  position: fixed; z-index: 100; inset: 0 0 auto;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0 clamp(16px, 3vw, 40px);
  background: rgba(10,20,47,.82);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); letter-spacing: .04em; }
.brand img { width: 28px; height: 34px; object-fit: contain; }
.nav-links { display: none; gap: 1.1rem; color: var(--muted); font: 600 .72rem/1 var(--body); letter-spacing: .1em; text-transform: uppercase; }
.nav-links a:hover { color: var(--sky); }
.nav-cta {
  padding: .7rem 1rem; border-radius: 999px; background: var(--orange); color: #fff;
  font: 700 .78rem/1 var(--body); letter-spacing: .06em; text-transform: uppercase;
}
@media (min-width: 820px) { .nav-links { display: flex; } }

.guide-hero {
  padding: calc(var(--nav-h) + 2.6rem) clamp(18px, 4vw, 48px) 1.6rem;
  max-width: 820px; margin: 0 auto;
}
.eyebrow {
  margin: 0 0 .7rem;
  color: var(--orange);
  font: 600 .68rem/1 var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.guide-hero h1 {
  margin: 0 0 1rem;
  font: 400 clamp(2.6rem, 7vw, 4.4rem)/.92 var(--display);
  letter-spacing: -.02em;
}
.guide-lead {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.55;
  max-width: 38rem;
}
.cta-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px;
  margin: 0 0 1.2rem;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .9rem 1.15rem; border-radius: 999px;
  background: var(--orange); color: #fff;
  font: 700 .88rem/1 var(--body);
}
.btn-primary svg { width: 18px; height: 18px; }
.store-badge { line-height: 0; }
.store-badge img { height: 44px; width: auto; }
.trust-note {
  margin: 0;
  color: var(--muted);
  font-size: .85rem;
}

.guide-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem clamp(18px, 4vw, 48px) 3rem;
}
.guide-body h2 {
  margin: 2.2rem 0 .8rem;
  font: 400 clamp(1.7rem, 3.4vw, 2.3rem)/1.05 var(--display);
  letter-spacing: .01em;
}
.guide-body h3 {
  margin: 1.5rem 0 .55rem;
  font: 700 1.05rem/1.3 var(--body);
}
.guide-body p, .guide-body li {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
}
.guide-body p { margin: 0 0 1rem; }
.guide-body ul, .guide-body ol { margin: 0 0 1.2rem; padding-left: 1.2rem; }
.guide-body li { margin: 0 0 .45rem; }
.guide-body strong { color: var(--foam); font-weight: 700; }
.guide-body a {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.callout {
  margin: 1.4rem 0;
  padding: 1.1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background: rgba(20,34,74,.7);
}
.callout p { margin: 0; color: var(--foam); }
.callout .label {
  display: block; margin-bottom: .4rem;
  color: var(--orange);
  font: 600 .62rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.4rem;
  font-size: .92rem;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: .7rem .75rem;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
.spec-table th { color: var(--foam); font-weight: 700; }
.spec-table td { color: var(--muted); }
.spec-table caption {
  caption-side: bottom;
  padding-top: .6rem;
  color: var(--muted);
  font-size: .78rem;
  text-align: left;
}

.board-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 1.2rem 0 1.6rem;
}
.board-strip figure {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  background: rgba(20,34,74,.65);
  border: 1px solid var(--hairline);
}
.board-strip img {
  height: 120px;
  width: 100%;
  object-fit: contain;
  margin-bottom: 8px;
}
.board-strip figcaption small {
  display: block;
  color: var(--muted);
  font: 700 .58rem/1.2 var(--body);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.board-strip figcaption strong {
  display: block;
  margin-top: 4px;
  color: var(--foam);
  font-size: .95rem;
}

.related {
  margin: 2.4rem 0 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--hairline);
}
.related h2 { margin-top: 0; }
.related ul { list-style: none; padding: 0; }
.related li { margin: 0 0 .55rem; }

.guide-finale {
  max-width: 720px;
  margin: 0 auto 3rem;
  padding: 1.8rem clamp(18px, 4vw, 48px);
  text-align: center;
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(238,68,24,.22), transparent 60%),
    rgba(20,34,74,.75);
  border: 1px solid var(--hairline);
}
.guide-finale h2 {
  margin: 0 0 .7rem;
  font: 400 clamp(2rem, 5vw, 3rem)/.95 var(--display);
}
.guide-finale p { color: var(--muted); margin: 0 0 1.1rem; }
.guide-finale .cta-row { justify-content: center; }

.footer {
  padding: 36px clamp(18px, 4vw, 56px) 60px;
  border-top: 1px solid var(--hairline);
  display: grid; gap: 14px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 34px; height: 42px; object-fit: contain; }
.footer-brand strong { display: block; font-family: var(--display); letter-spacing: .04em; }
.footer-brand span { color: var(--muted); font-size: .85rem; }
.footer-links {
  display: flex; flex-wrap: wrap; gap: .9rem 1.2rem;
  color: var(--muted); font: 600 .72rem/1 var(--body); letter-spacing: .1em; text-transform: uppercase;
}
.footer-links a:hover { color: var(--sky); }
.footer-copy { margin: 0; color: var(--muted); font-size: .78rem; }

/* Hub grid */
.hub {
  max-width: 960px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 2.4rem) clamp(18px, 4vw, 48px) 3rem;
}
.hub h1 {
  margin: 0 0 1rem;
  font: 400 clamp(2.8rem, 7vw, 4.6rem)/.92 var(--display);
}
.hub-lead {
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.55;
  margin: 0 0 1.6rem;
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin: 1.6rem 0 2rem;
}
.hub-card {
  display: block;
  padding: 1.2rem 1.15rem;
  border-radius: var(--radius);
  background: rgba(20,34,74,.65);
  border: 1px solid var(--hairline);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.hub-card:hover { border-color: rgba(107,174,232,.45); transform: translateY(-2px); }
.hub-card small {
  display: block;
  color: var(--orange);
  font: 600 .62rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .45rem;
}
.hub-card strong {
  display: block;
  font: 400 1.45rem/1.1 var(--display);
  margin-bottom: .45rem;
}
.hub-card span { color: var(--muted); font-size: .92rem; line-height: 1.45; }