/*
  RalliGEO. Shared styles for /guides/* article pages.

  Same design language as the homepage (website/index.html). Extracted so each
  article HTML is small and reads cleanly. No third party fonts, scripts, or
  trackers. Vercel Web Analytics is wired separately in each page's <head>.
*/

:root {
  --bg: #0a0b0d;
  --bg-2: #101216;
  --bg-3: #15181d;
  --line: #23262d;
  --line-2: #2e323a;
  --fg: #e8e8ea;
  --fg-2: #b6b8bd;
  --fg-3: #7d808a;
  --accent: oklch(0.86 0.17 145);
  --accent-dim: oklch(0.86 0.17 145 / 0.18);
  --warn: oklch(0.78 0.13 75);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body {
  color: var(--fg);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: #0a0b0d; }
a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); color: var(--accent); }

h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.wrap-wide { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-3); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Top bar (matches homepage) */
header.bar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: saturate(120%) blur(8px);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em;
  color: var(--fg); text-decoration: none;
}
.logo .mark {
  width: 18px; height: 18px; position: relative;
}
.logo .mark::before, .logo .mark::after {
  content: ""; position: absolute; width: 10px; height: 10px;
}
.logo .mark::before { top: 0; left: 0; background: var(--accent); }
.logo .mark::after { bottom: 0; right: 0; background: var(--fg); }
.bar nav { display: flex; gap: 22px; }
.bar nav a {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-2); text-decoration: none;
}
.bar nav a:hover { color: var(--accent); }
.bar nav a.active { color: var(--accent); }
@media (max-width: 640px) { .bar nav { display: none; } }

/* Article shell */
article.post { padding: 72px 0 96px; }
article.post .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3);
}
article.post .eyebrow::before {
  content: ""; width: 8px; height: 8px; background: var(--accent); display: inline-block;
}
article.post h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08;
  margin-top: 20px;
  max-width: 24ch;
}
article.post .lede {
  margin-top: 20px;
  color: var(--fg-2);
  font-size: 19px;
  line-height: 1.55;
  max-width: 60ch;
}
article.post .meta {
  margin-top: 28px;
  display: flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--fg-3);
}
article.post .meta strong { color: var(--fg-2); font-weight: 500; }

article.post .body { margin-top: 56px; }
article.post .body h2 {
  font-size: 26px;
  margin-top: 56px;
  margin-bottom: 16px;
  max-width: 28ch;
}
article.post .body h3 {
  font-size: 19px;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--fg);
}
article.post .body p { margin-top: 16px; }
article.post .body p + p { margin-top: 16px; }
article.post .body ul, article.post .body ol { margin-top: 16px; padding-left: 22px; }
article.post .body li { margin-top: 8px; line-height: 1.55; }
article.post .body strong { color: var(--fg); font-weight: 600; }

/* Callouts */
.callout {
  margin-top: 28px;
  padding: 20px 22px;
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
}
.callout .label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
}
.callout p { margin-top: 10px; color: var(--fg-2); }

/* Inline pill */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-2);
}
.pill .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }

/* Tables for comparisons */
.cmp { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 15px; }
.cmp th, .cmp td { text-align: left; padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.cmp th {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fg-3); font-weight: 500;
  border-bottom: 1px solid var(--line-2);
  border-top: 0;
}
.cmp td.k { color: var(--fg-2); }

/* End of post CTA */
.endcta {
  margin-top: 64px;
  padding: 28px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.endcta h3 { font-size: 20px; margin-bottom: 10px; }
.endcta p { color: var(--fg-2); margin-bottom: 18px; }
.endcta .btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--accent);
  color: #0a0b0d;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
}
.endcta .btn:hover { background: oklch(0.92 0.17 145); color: #0a0b0d; }
.endcta .btn .arrow { font-family: var(--mono); }

/* Guides index list */
.guides-list { margin-top: 48px; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.guides-list a {
  display: block;
  padding: 24px;
  background: var(--bg-2);
  text-decoration: none;
  color: var(--fg);
  transition: background 0.15s ease;
}
.guides-list a:hover { background: var(--bg-3); }
.guides-list .row-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-3);
}
.guides-list h3 { margin-top: 8px; font-size: 20px; color: var(--fg); }
.guides-list a:hover h3 { color: var(--accent); }
.guides-list p { margin-top: 10px; color: var(--fg-2); font-size: 15px; line-height: 1.5; }

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
}
.foot-grid {
  display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
  color: var(--fg-3);
}
.foot-grid a { color: var(--fg-2); }
.foot-grid a:hover { color: var(--accent); }
