:root {
  color-scheme: light;
  --bg: #f8f6f0;
  --bg-soft: #f1eee5;
  --surface: #fffdf8;
  --ink: #172030;
  --ink-soft: #3a4352;
  --sub: #5a616d;
  --rule: #dcd7ca;
  --rule-soft: #e8e4d9;
  --accent: #1f4a35;
  --accent-hover: #163727;
  --accent-tint: #e5ece6;
  --amber: #7a5410;
  --amber-tint: #f4ead3;
  --serif: "Iowan Old Style", "Charter", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --wrap: 1120px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 640px; }
.mono { font-family: var(--mono); }
.small { font-size: 14.5px; }
.muted { color: var(--sub); }

.skip {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 14px; border-radius: var(--radius); text-decoration: none;
}
.skip:focus { top: 12px; color: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 246, 240, 0.94);
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 68px; }
.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  font-family: var(--serif); font-size: 21px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap;
}
.wordmark:hover { color: var(--ink); }
.mark { width: 22px; height: 22px; flex: none; color: var(--ink); }
.mark-dot { fill: var(--accent); }
.wordmark-small { font-size: 18px; }
.wordmark-small .mark { width: 18px; height: 18px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav ul { display: flex; gap: 24px; list-style: none; }
.nav ul a { color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.nav ul a:hover { color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  background: var(--accent); color: #fff;
  border: 1px solid var(--accent); border-radius: var(--radius);
  font: 600 16px/1 var(--sans); text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-small { min-height: 40px; padding: 0 16px; font-size: 15px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .65; cursor: progress; }

/* Shared section styles */
.eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section { padding: 96px 0; border-top: 1px solid var(--rule); }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 48px; }
h2 { font-family: var(--serif); font-size: clamp(30px, 4vw, 42px); line-height: 1.15; letter-spacing: -0.015em; }
.section-intro { margin-top: 16px; font-size: 18.5px; color: var(--ink-soft); }
h3 { font-size: 19px; line-height: 1.3; letter-spacing: -0.005em; }

/* Hero */
.hero { padding: 88px 0 96px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 64px; align-items: center; }
.hero h1 {
  font-family: var(--serif); font-size: clamp(38px, 5.6vw, 62px);
  line-height: 1.05; letter-spacing: -0.025em; font-weight: 600; max-width: 14ch;
}
.lead { margin-top: 24px; font-size: 19px; line-height: 1.6; color: var(--ink-soft); max-width: 58ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.for { margin-top: 28px; font-size: 15px; color: var(--sub); max-width: 52ch; }

.brief-preview {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 6px;
  padding: 24px 26px; box-shadow: 0 1px 0 var(--rule-soft), 0 18px 40px -28px rgba(23, 32, 48, .35);
}
.bp-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding-bottom: 14px; border-bottom: 1px solid var(--rule);
  font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--sub);
}
.tag {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase;
  background: var(--amber-tint); color: var(--amber); padding: 4px 8px; border-radius: 3px; white-space: nowrap;
}
.bp-list { margin: 0; }
.bp-list div { display: grid; grid-template-columns: 112px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--rule-soft); }
.bp-list dt { font-family: var(--mono); font-size: 12.5px; color: var(--sub); padding-top: 2px; }
.bp-list dd { margin: 0; font-size: 15.5px; line-height: 1.45; }
.status { display: inline-block; font-size: 14px; font-weight: 600; color: var(--amber); }
.bp-link { display: inline-block; margin-top: 16px; font-size: 15px; font-weight: 600; text-decoration: none; }
.bp-link:hover { text-decoration: underline; }

/* Signals */
.signal-grid { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.signal { padding: 24px 24px 8px 0; }
.signal + .signal { padding-left: 24px; border-left: 1px solid var(--rule); }
.signal .num { display: block; font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.signal p { margin-top: 10px; color: var(--ink-soft); font-size: 16px; }
.caveat {
  margin-top: 48px; padding: 20px 24px; max-width: 820px;
  border-left: 3px solid var(--accent); background: var(--accent-tint); border-radius: 0 var(--radius) var(--radius) 0;
}
.caveat p { color: var(--ink); font-size: 16.5px; }

/* Steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.step { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 28px; }
.step .num { display: block; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.step p { margin-top: 10px; color: var(--ink-soft); font-size: 16px; }

/* Example brief */
.brief {
  max-width: 880px; background: var(--surface);
  border: 1px solid var(--rule); border-radius: 6px; overflow: hidden;
  box-shadow: 0 24px 60px -40px rgba(23, 32, 48, .4);
}
.brief-banner {
  background: var(--amber-tint); color: var(--amber); border-bottom: 1px solid #e6d6b0;
  font-family: var(--mono); font-size: 13px; letter-spacing: .02em; padding: 12px 28px; font-weight: 600;
}
.brief-header {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap;
  padding: 28px 28px 24px; border-bottom: 1px solid var(--rule);
}
.brief-id { font-size: 12.5px; color: var(--sub); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.brief-header h3 { font-family: var(--serif); font-size: 26px; line-height: 1.2; }
.brief-meta { display: flex; gap: 28px; margin: 0; }
.brief-meta dt { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--sub); }
.brief-meta dd { margin: 4px 0 0; font-weight: 600; font-size: 15px; }
.brief-body { padding: 0 28px; }
.brief-row { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--rule-soft); }
.brief-row:last-child { border-bottom: 0; }
.brief-row h4 { font-family: var(--mono); font-size: 12.5px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--sub); padding-top: 3px; }
.brief-row p, .brief-row li, .brief-row dd { font-size: 16px; color: var(--ink-soft); }
.brief-row ul { padding-left: 18px; }
.brief-row ul li + li { margin-top: 6px; }
.fit { margin: 0; }
.fit div { display: grid; grid-template-columns: 84px 1fr; gap: 12px; }
.fit div + div { margin-top: 10px; }
.fit dt { font-size: 13px; font-weight: 700; padding-top: 2px; }
.fit dd { margin: 0; }
.fit-strong { color: var(--accent); }
.fit-possible { color: var(--amber); }
.fit-weak { color: var(--sub); }
.checklist { list-style: none; padding-left: 0 !important; }
.checklist li { position: relative; padding-left: 28px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 15px; height: 15px;
  border: 1.5px solid var(--sub); border-radius: 3px;
}
.brief-next { background: var(--accent-tint); margin: 0 -28px; padding: 22px 28px; }
.brief-next p { color: var(--ink); font-weight: 600; }
.brief-footer { padding: 16px 28px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--sub); background: var(--bg); }

/* Pilot */
.pilot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pilot-col { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 28px; }
.ticks { list-style: none; margin-top: 18px; }
.ticks li { position: relative; padding-left: 26px; color: var(--ink-soft); font-size: 16px; }
.ticks li + li { margin-top: 12px; }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: 7px; width: 11px; height: 6px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}
.pilot-note { margin-top: 32px; max-width: 760px; color: var(--ink-soft); font-size: 16.5px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 64px; align-items: start; }
.contact-copy p { margin-top: 16px; color: var(--ink-soft); font-size: 18px; }
.contact-copy p.small { font-size: 15px; }
.form { background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 32px; }
.form-mode { background: var(--amber-tint); color: var(--amber); border-radius: var(--radius); padding: 10px 14px; font-size: 14.5px; margin-bottom: 20px; font-weight: 600; }
.field + .field { margin-top: 20px; }
.field label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  background: #fff; border: 1px solid #b9b3a4; border-radius: var(--radius);
  padding: 12px 14px; min-height: 48px;
}
.field textarea { resize: vertical; min-height: 128px; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #a12a1c; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form .btn-block { margin-top: 24px; }
.form-status { margin-top: 14px; font-size: 15px; min-height: 1px; }
.form-status.is-error { color: #a12a1c; font-weight: 600; }
.form-status.is-success { color: var(--accent); font-weight: 600; }
.form .small { margin-top: 10px; }
.facility-switch a { color: var(--sub); }
.facility-switch a:hover { color: var(--accent); }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); background: var(--bg-soft); padding: 48px 0 32px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-inner .muted { margin-top: 10px; max-width: 42ch; }
.footer-links { list-style: none; display: grid; gap: 8px; }
.footer-links a { color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }
.legal { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--rule); }

/* Simple pages */
.simple-page { padding: 120px 0; }
.simple-page h1 { font-family: var(--serif); font-size: clamp(32px, 5vw, 46px); line-height: 1.1; letter-spacing: -0.02em; }
.simple-page .btn { margin-top: 32px; }

/* Responsive */
@media (max-width: 980px) {
  .nav ul { display: none; }
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { max-width: 16ch; }
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .signal:nth-child(3) { padding-left: 0; border-left: 0; }
  .signal:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .header-inner { height: 60px; }
  .wordmark { font-size: 18px; }
  .mark { width: 19px; height: 19px; }
  html { scroll-padding-top: 72px; }
  .hero { padding: 48px 0 64px; }
  .lead { font-size: 17.5px; }
  .actions .btn { flex: 1 1 100%; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 32px; }
  .section-intro { font-size: 17px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal, .signal + .signal { padding: 20px 0 16px; border-left: 0; }
  .signal + .signal { border-top: 1px solid var(--rule); }
  .signal .num { margin-bottom: 8px; }
  .caveat { margin-top: 32px; padding: 18px; }
  .brief-preview { padding: 20px; }
  .bp-list div { grid-template-columns: 1fr; gap: 2px; }
  .brief-banner, .brief-header, .brief-footer { padding-left: 18px; padding-right: 18px; }
  .brief-header h3 { font-size: 22px; }
  .brief-body { padding: 0 18px; }
  .brief-row { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
  .brief-next { margin: 0 -18px; padding: 18px; }
  .pilot-grid { grid-template-columns: 1fr; }
  .pilot-col, .step { padding: 22px; }
  .form { padding: 22px 18px; }
}
@media (max-width: 380px) {
  .btn-small { padding: 0 12px; font-size: 14px; }
  .wordmark span { font-size: 17px; }
}