/* Sprint 75 · the article template (docs/35 §8.4).
 *
 * Ember had no layout for prose — only calculators and the methodology page — so every SEO/GEO article
 * would otherwise have invented its own. This is the shared one. It reuses the marketing site's tokens
 * verbatim (docs/35 §7: do NOT commission a new design system, one is vendored and enforced), so an
 * article reads as part of the site rather than a bolted-on blog.
 *
 * ⚠️ No @import here, ever. S71 removed one from calc.css because it serialised the font request behind
 * this file; stylesheets are linked side by side in the <head> so they load in parallel.
 */

:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --line: #2a2f3a;
  --txt: #eef2f7; --muted: #9aa4b2; --dim: #69727f;
  --ember: #ff7a3c; --ember2: #ffb057; --flame: #ffd166; --good: #48d597; --r: 14px;
  --sans: "Work Sans", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--txt); font-family: var(--sans); line-height: 1.62; }
a { color: var(--ember2); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--ember2); outline-offset: 3px; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
nav { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; }
.brand { display: flex; align-items: center; gap: 9px; }
.brand .logo { font-size: 24px; filter: drop-shadow(0 0 8px rgb(255 122 60 / 50%)); }
.brand b { background: linear-gradient(90deg, var(--ember), var(--flame)); -webkit-background-clip: text;
  background-clip: text; color: transparent; font-size: 20px; }
.navlinks a { margin-left: 18px; font-size: 14px; color: var(--muted); }
.navlinks a:hover { color: var(--txt); }

article { padding: 20px 0 40px; }
article h1 { font-family: var(--serif); font-size: 38px; line-height: 1.14; letter-spacing: -.4px; margin: 14px 0 10px; }
article h2 { font-family: var(--serif); font-size: 25px; margin: 38px 0 10px; line-height: 1.25; }
article h3 { font-size: 17px; margin: 24px 0 6px; }
@media (max-width: 600px) { article h1 { font-size: 29px; } article h2 { font-size: 21px; } }
article p { margin: 12px 0; }
article ul, article ol { padding-left: 22px; }
article li { margin: 7px 0; }
.meta { color: var(--dim); font-size: 13px; margin: 0 0 8px; }

/* THE ANSWER BLOCK — the two-sentence answer that opens every article. AI answer engines extract
   passages, not pages (docs/35 §5), so the quotable claim goes first, before any preamble. */
.answer { background: linear-gradient(135deg, rgb(255 122 60 / 10%), rgb(255 209 102 / 3%));
  border: 1px solid var(--line); border-left: 3px solid var(--ember); border-radius: var(--r);
  padding: 18px 20px; margin: 20px 0 26px; font-size: 17px; }
.answer p { margin: 0; }
.answer p + p { margin-top: 10px; }

.note { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 16px 18px; margin: 22px 0; color: var(--muted); font-size: 14.5px; }
.note strong { color: var(--txt); }

.tbl { width: 100%; overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th { text-align: left; font-family: var(--mono); font-size: 11.5px; letter-spacing: .07em;
  text-transform: uppercase; color: var(--dim); padding: 9px 12px; border-bottom: 1px solid var(--line); }
td { padding: 9px 12px; border-bottom: 1px solid var(--line); }
tbody tr:last-child td { border-bottom: none; }
td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

pre { background: var(--panel2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 14px 16px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.5; }

.cta { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px; margin: 34px 0 10px; text-align: center; }
.cta h2 { margin-top: 0; }
.btn { display: inline-block; background: linear-gradient(90deg, var(--ember), var(--flame)); color: #231400;
  font-weight: 700; padding: 11px 20px; border-radius: 10px; font-size: 15px; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--txt); }

footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 0 40px;
  color: var(--dim); font-size: 13px; text-align: center; }
footer a { color: var(--muted); }

/* S87 — waitlist capture on the guides. The article CSS is the only stylesheet these pages may use: an
   inline <style> is a hard fail in ember-test-articles.js, by design. */
.waitlist { margin: 32px 0 8px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel2); }
.waitlist h3 { margin: 0 0 6px; font-size: 17px; }
.waitlist p { margin: 0 0 10px; }
.waitlist-form { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 0; }
.waitlist-form input { flex: 1 1 220px; min-width: 0; padding: 10px 12px; font: inherit; font-size: 15px;
  color: var(--txt); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.waitlist-form input:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }
.wl-note { margin: 10px 0 0; font-size: 13px; color: var(--dim); }
.wl-msg { margin: 10px 0 0; font-size: 14px; }
.wl-msg:empty { margin: 0; }
.wl-ok { color: var(--good, #2f9e6f); }
.wl-err { color: var(--bad, #c0392b); }
