/* AI Pricing Lab — guides "print mode" (light) theme, per BRAND.md */
:root {
  --bg: #FAF9F6;
  --panel: #FFFFFF;
  --line: #E6E3DC;
  --ink: #1A1A18;
  --ink-dim: #55534D;
  --ink-faint: #8A877F;
  --ember: #C2410C;      /* link/accent on light, AA on paper */
  --ember-strong: #9A3412;
  --green: #059669;
  --amber: #D97706;
  --red: #DC2626;
}
* { box-sizing: border-box; -webkit-font-smoothing: antialiased; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Geist", ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16.5px;
}
.font-display { font-family: "Newsreader", Georgia, serif; }
.mono, code, td.num, .stat { font-family: "JetBrains Mono", ui-monospace, monospace; }

/* nav */
.nav { max-width: 760px; margin: 0 auto; padding: 22px 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.nav a { text-decoration: none; color: var(--ink); }
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; letter-spacing: -0.01em; }
.nav .links { display: flex; gap: 18px; align-items: center; }
.nav .links a { font-size: 13.5px; color: var(--ink-dim); }
.nav .links a:hover { color: var(--ink); }
.nav .links a.cta { color: var(--ember); font-weight: 500; }

/* article shell */
main { max-width: 760px; margin: 0 auto; padding: 24px 20px 72px; }
article { max-width: 700px; }
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase; letter-spacing: 0.22em; font-size: 0.66rem;
  color: var(--ember); margin-bottom: 14px;
}
h1 {
  font-family: "Newsreader", Georgia, serif;
  font-weight: 500; font-size: clamp(2rem, 5vw, 2.7rem);
  line-height: 1.06; letter-spacing: -0.02em; margin: 0 0 14px;
}
.byline { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--ink-faint); margin-bottom: 28px; }
.byline a { color: var(--ink-faint); }

/* the direct-answer box (AEO: answer in first 30% of page) */
.answer {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 20px 22px; margin: 0 0 36px;
}
.answer .label {
  font-family: "JetBrains Mono", monospace; text-transform: uppercase;
  letter-spacing: 0.22em; font-size: 0.62rem; color: var(--ink-faint);
  display: block; margin-bottom: 8px;
}
.answer p { margin: 0; font-size: 17px; }

h2 {
  font-family: "Newsreader", Georgia, serif;
  font-weight: 500; font-size: 1.65rem; line-height: 1.15;
  letter-spacing: -0.01em; margin: 44px 0 12px;
}
h3 { font-weight: 600; font-size: 1.08rem; margin: 28px 0 8px; letter-spacing: -0.01em; }
p { margin: 0 0 16px; color: var(--ink); }
article > section > p, article p { color: var(--ink); }
.dim { color: var(--ink-dim); }
a { color: var(--ember); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ember-strong); }
ul, ol { padding-left: 22px; margin: 0 0 16px; }
li { margin-bottom: 6px; }
strong { font-weight: 600; }

/* tables */
.tablewrap { overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th {
  text-align: left; font-family: "JetBrains Mono", monospace; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px;
  color: var(--ink-faint); padding: 10px 14px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: none; }
td.num { white-space: nowrap; font-size: 13px; }

/* stat callout */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 0 0 20px; }
.stat-cell { background: var(--panel); padding: 14px 16px; }
.stat-cell .stat { font-size: 20px; font-weight: 600; display: block; }
.stat-cell .cap { font-size: 12px; color: var(--ink-dim); line-height: 1.4; display: block; margin-top: 2px; }

/* case box */
.case {
  border: 1px solid var(--line); border-left: 3px solid var(--ember);
  background: var(--panel); border-radius: 0 12px 12px 0;
  padding: 16px 20px; margin: 0 0 20px;
}
.case .who { font-family: "JetBrains Mono", monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ember); margin-bottom: 6px; }
.case p { margin: 0; font-size: 15px; }

/* FAQ */
.faq h3 { margin-top: 22px; }
.faq p { color: var(--ink-dim); }

/* CTA panel (dark console inside the light page) */
.cta {
  background: #0A0A0B; color: #ECEAE4; border-radius: 20px;
  padding: 30px 30px; margin: 44px 0 8px;
}
.cta .label { font-family: "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.22em; font-size: 0.62rem; color: #FB923C; display: block; margin-bottom: 10px; }
.cta h2 { margin: 0 0 10px; color: #ECEAE4; font-size: 1.5rem; }
.cta p { color: #9B988F; font-size: 15px; margin-bottom: 18px; }
.cta .btn {
  display: inline-block; padding: 13px 24px; border-radius: 12px;
  background: linear-gradient(105deg, #F97316, #EF4444);
  color: #fff; font-weight: 600; text-decoration: none; letter-spacing: -0.01em;
}
.cta .fine { font-family: "JetBrains Mono", monospace; font-size: 11.5px; color: #6A6862; margin: 12px 0 0; }

/* related guides */
.related { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 24px; }
.related .label { font-family: "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.22em; font-size: 0.62rem; color: var(--ink-faint); display: block; margin-bottom: 12px; }
.related ul { list-style: none; padding: 0; }
.related li { margin-bottom: 8px; }

/* hub cards */
.card-list { display: grid; gap: 14px; margin-top: 28px; }
.card { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; text-decoration: none; color: var(--ink); transition: border-color .25s, transform .25s; }
.card:hover { border-color: rgba(194,65,12,0.45); transform: translateY(-2px); }
.card .kicker { font-family: "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.6rem; color: var(--ember); display: block; margin-bottom: 6px; }
.card h2 { margin: 0 0 6px; font-size: 1.3rem; }
.card p { margin: 0; color: var(--ink-dim); font-size: 14.5px; }

/* footer */
footer { border-top: 1px solid var(--line); }
.foot { max-width: 760px; margin: 0 auto; padding: 26px 20px; display: flex; flex-wrap: wrap; gap: 14px 24px; justify-content: space-between; align-items: center; font-size: 12px; color: var(--ink-faint); }
.foot .links { display: flex; gap: 18px; }
.foot a { color: var(--ink-faint); text-decoration: none; }
.foot a:hover { color: var(--ink-dim); }
.foot .mono { font-family: "JetBrains Mono", monospace; }