/* L4-20 opportunity brief page (/app/briefs/<slug>): reads like evidence, not a campaign. Head, then the free part (what changed,
   who is hit, quotes, the gap), then "The full brief includes" and the two fares (arrivals.css owns .fares/.fare). */
.brief{padding-bottom:72px}
.brief-head{max-width:880px;padding:0 0 40px;border-bottom:2px solid var(--line)}
.brief-head .crumbs{padding:28px 0 20px}
.brief-eyebrow{display:flex;align-items:center;gap:8px;color:var(--ink-3)}
.brief-picto{width:18px;height:18px;color:var(--ember-fill)}
.brief-title{margin:12px 0 20px;max-width:22ch}
.brief-head .lead{margin:0 0 24px}
.brief-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.brief-notes{margin:0;padding-left:18px;display:grid;gap:4px;font-size:15px;color:var(--ink-2)}
.brief-date{margin:14px 0 0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.brief-block{padding-top:64px;max-width:1040px}
.brief-block>.h2{margin-bottom:20px}
.brief-intro{max-width:760px;margin:0 0 24px;color:var(--ink-2)}

/* Sources sit right under the line they back, in small type. */
.brief-src{display:block;margin-top:4px;font-size:14px;color:var(--ink-3)}
.brief-src-k{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase}
.brief-intro .brief-src{margin-top:8px}

/* What changed: one panel per tool. */
.brief-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.brief-tool.panel{display:flex;flex-direction:column;gap:12px;padding:28px}
.brief-tool .h3{margin:0}
.brief-points{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.brief-points li{padding-left:16px;border-left:3px solid var(--line)}
.brief-points p{margin:0;font-size:17px;line-height:1.5}
.brief-more{margin:auto 0 0;font-weight:700}
.brief-more a{display:inline-flex;align-items:center;gap:4px;text-decoration:none}

/* Who is hit: segments with cited examples, as quiet rows. */
.brief-segments{display:grid;gap:28px}
.brief-seg .h3{margin:0 0 8px}
.brief-cases{list-style:none;margin:0;padding:0}
.brief-cases li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,auto) 120px;align-items:baseline;gap:16px;padding:12px 0;
  border-top:1px solid var(--line)}
.brief-who{color:var(--ink-2)}
.brief-change{font-size:17px;font-weight:500;color:var(--ink);white-space:nowrap}
.brief-when{justify-self:end;font-size:13px;white-space:nowrap}
.brief-reading{margin-top:32px;padding:22px 26px;border-radius:20px;background:var(--bg-2);border:1px dashed var(--line-2)}
.brief-reading-k{margin:0 0 8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.brief-reading ul{margin:0;padding-left:18px;display:grid;gap:8px}

/* Quotes: word for word, each with its link. */
.brief-quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.brief-quote{margin:0;display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:20px;background:var(--bg-2);
  border:1px solid var(--line);border-top:4px solid var(--accent)}
.brief-quote blockquote{margin:0}
.brief-quote blockquote p{margin:0;font:700 21px/1.35 var(--sans);color:var(--ink)}
.brief-quote figcaption{margin-top:auto;font-size:14px;color:var(--ink-2)}

/* The gap and the full brief. */
.brief-headline{max-width:760px;margin:0 0 12px;font:800 clamp(24px,2.6vw,32px)/1.2 var(--display);letter-spacing:-.02em}
.brief-paid{margin:0 0 28px;padding:0;list-style:none;display:grid;gap:10px;max-width:760px}
.brief-paid li{position:relative;padding-left:28px;font-size:17px}
.brief-paid li::before{content:'';position:absolute;left:0;top:.45em;width:12px;height:12px;border-radius:3px;background:var(--accent)}
.brief-full>.lead{margin-bottom:20px}
.brief-terms{margin:20px 0 0;max-width:760px}

@media(max-width:980px) {
  .brief-quotes{grid-template-columns:1fr}
}
@media(max-width:820px) {
  .brief-tools{grid-template-columns:1fr}
  .brief-block{padding-top:48px}
}
@media(max-width:560px) {
  .brief-tool.panel{padding:20px}
  .brief-cases li{grid-template-columns:minmax(0,1fr) auto;gap:4px 12px}
  .brief-who{grid-column:1 / -1}
  .brief-change{white-space:normal}
  .brief-reading{padding:18px}
}