/* OpenAdvisory — design tokens per docs/40-surfaces/design/openadvisory-2026-07-11/ */
:root {
  --paper: #F4F1EA;
  --ink: #211E17;
  --ink-2: #454035;
  --muted: #6E675A;
  --faint: #9B9384;
  --rule: #DDD8CB;
  --card: #FFFFFF;
  --green: #2A5C46;
  --green-dark: #1D4534;
  --hover: #EAE6DB;
  --ink-hover: #38332A;
  --dark-rule: #38332A;
  --dark-text: #C9C2B2;
  --amber: #A87615;
  --serif: Newsreader, Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); text-decoration: underline; }
::selection { background: #DCE8E1; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.wrap { max-width: 1160px; margin: 0 auto; }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
}
.meta { font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* ---- nav ---- */
header.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 56px; border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; background: var(--paper); z-index: 20;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand:hover { text-decoration: none; }
.brand span { font-family: var(--serif); font-size: 21px; font-weight: 500; color: var(--ink); }
header.nav nav { display: flex; align-items: center; gap: 28px; }
header.nav nav a { font-size: 13.5px; color: var(--ink-2); }

.btn {
  font-family: var(--sans); font-size: 15px; font-weight: 500;
  padding: 14px 28px; border-radius: 9px; cursor: pointer; display: inline-block;
  background: var(--ink); color: var(--paper); border: 1px solid var(--ink);
}
.btn:hover { background: var(--ink-hover); color: var(--paper); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--hover); color: var(--ink); }
.btn.sm { font-size: 13.5px; padding: 10px 20px; }
.btn.md { font-size: 14px; padding: 12px 24px; }
.btn.lg { font-size: 15px; padding: 15px 32px; }

/* ---- type ---- */
h1 {
  font-family: var(--serif); font-size: 62px; line-height: 1.05;
  font-weight: 400; letter-spacing: -0.015em; margin: 0;
}
h1 em { font-style: italic; }
h2 {
  font-family: var(--serif); font-size: 40px; font-weight: 400;
  letter-spacing: -0.01em; line-height: 1.15; margin: 0;
}
h3 { font-family: var(--serif); font-size: 21px; font-weight: 500; margin: 0; line-height: 1.25; }
p { margin: 0; }

section { padding: 96px 56px; border-bottom: 1px solid var(--rule); }

/* ---- hero ---- */
.hero { padding: 104px 56px 96px; animation: fadeUp 0.4s ease both; }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 72px; align-items: center;
}
.hero-copy { display: flex; flex-direction: column; gap: 28px; }
.hero-copy p.lede { font-size: 17px; line-height: 1.65; color: var(--ink-2); max-width: 520px; }
.cta-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* the trail card */
.trail {
  background: var(--card); border: 1px solid var(--rule); border-radius: 14px;
  padding: 28px 30px; display: flex; flex-direction: column;
  box-shadow: 0 24px 48px -32px rgba(33, 30, 23, 0.25);
}
.trail-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 22px; gap: 12px;
}
.trail-head > span:first-child { font-family: var(--serif); font-size: 18px; font-weight: 500; }
.trail-tag {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 999px; border: 1px solid var(--rule);
  color: var(--muted); white-space: nowrap;
}
.trail-row { display: flex; gap: 14px; }
.trail-gutter { display: flex; flex-direction: column; align-items: center; width: 9px; flex-shrink: 0; }
.trail-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--green); margin-top: 6px; flex-shrink: 0; }
.trail-dot.ink { background: var(--ink); }
.trail-line { width: 1.5px; flex: 1; background: var(--rule); }
.trail-body { display: flex; flex-direction: column; gap: 4px; padding-bottom: 22px; }
.trail-body.last { padding-bottom: 0; }
.trail-body p { font-size: 13px; line-height: 1.55; }
.trail-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.trail-meta span { font-family: var(--mono); font-size: 10px; color: var(--faint); }

.trail-note {
  font-family: var(--mono); font-size: 10px; color: var(--faint);
  margin: -14px 0 20px; line-height: 1.5;
}

/* ---- proof strip ---- */
.proof { padding: 0; }
.proof .wrap:first-child { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-note {
  font-family: var(--mono); font-size: 10.5px; color: var(--faint);
  line-height: 1.7; padding: 0 32px 28px; max-width: 780px;
}
.proof-cell {
  padding: 36px 32px; display: flex; flex-direction: column; gap: 8px;
  border-right: 1px solid var(--rule);
}
.proof-cell:last-child { border-right: none; }
.proof-cell b { font-family: var(--mono); font-size: 26px; font-weight: 500; }
.proof-cell span { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* ---- sections ---- */
.col { display: flex; flex-direction: column; }
.section-head { display: flex; flex-direction: column; gap: 14px; max-width: 620px; }
.stack-56 { display: flex; flex-direction: column; gap: 56px; }
.stack-48 { display: flex; flex-direction: column; gap: 48px; }

.steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--rule); border: 1px solid var(--rule); border-radius: 14px; overflow: hidden;
}
.step { background: var(--card); padding: 32px 28px; display: flex; flex-direction: column; gap: 12px; }
.step .num { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.step p { font-size: 13.5px; line-height: 1.6; color: var(--muted); }

/* ---- trust (dark) ---- */
.trust { background: var(--ink); color: var(--paper); }
.trust .eyebrow { color: var(--faint); }
.trust-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 72px; align-items: start;
}
.trust-intro { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 120px; }
.trust-intro p { font-size: 15px; line-height: 1.65; color: var(--dark-text); }
.trust-item { display: flex; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--dark-rule); }
.trust-item .num {
  font-family: var(--mono); font-size: 11px; color: var(--faint);
  width: 32px; flex-shrink: 0; margin-top: 4px;
}
.trust-item .tbody { display: flex; flex-direction: column; gap: 8px; }
.trust-item h3 { font-size: 22px; }
.trust-item p { font-size: 14px; line-height: 1.65; color: var(--dark-text); }

/* ---- desk ---- */
.desk { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.person {
  background: var(--card); border: 1px solid var(--rule); border-radius: 14px;
  padding: 30px; display: flex; flex-direction: column; gap: 16px;
}
.person-head { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 40px; height: 40px; border-radius: 999px; color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 17px; flex-shrink: 0;
}
.person-id { display: flex; flex-direction: column; gap: 2px; }
.person-name { font-size: 14.5px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.tag-ai {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 1px 6px; border-radius: 999px; border: 1px solid var(--dark-text); color: var(--muted);
}
.tag-tier {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 1px 6px; border-radius: 999px; border: 1px solid var(--amber); color: var(--amber);
}
.person-role { font-size: 12px; color: var(--faint); }
.person p { font-size: 13.5px; line-height: 1.6; color: var(--ink-2); }

/* ---- buyers ---- */
.buyers-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 72px; align-items: center;
}
.buyers-copy { display: flex; flex-direction: column; gap: 18px; }
.buyers-copy p { font-size: 15px; line-height: 1.65; color: var(--ink-2); }
.buyer-pts { display: flex; flex-direction: column; gap: 12px; }
.buyer-pt {
  background: var(--card); border: 1px solid var(--rule); border-radius: 12px;
  padding: 20px 24px; display: flex; gap: 16px; align-items: baseline;
}
.buyer-pt .d {
  width: 7px; height: 7px; border-radius: 999px; background: var(--green);
  flex-shrink: 0; position: relative; top: -1px;
}
.buyer-pt .btext { display: flex; flex-direction: column; gap: 4px; }
.buyer-pt b { font-size: 14px; font-weight: 600; }
.buyer-pt span { font-size: 13px; line-height: 1.55; color: var(--muted); }

/* ---- closing ---- */
.closing { padding: 112px 56px; border-bottom: none; }
.closing .wrap {
  max-width: 720px; display: flex; flex-direction: column;
  align-items: center; text-align: center; gap: 24px;
}
.closing h2 { font-size: 44px; letter-spacing: -0.015em; line-height: 1.1; }
.closing p { font-size: 15px; line-height: 1.65; color: var(--muted); max-width: 480px; }

/* ---- disclosures ---- */
.disclosures { padding: 72px 56px; border-top: 1px solid var(--rule); background: var(--hover); }
.disclosures .wrap { display: flex; flex-direction: column; gap: 28px; }
.disc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 48px; }
.disc { display: flex; flex-direction: column; gap: 7px; }
.disc b { font-size: 14px; font-weight: 600; color: var(--ink); }
.disc span { font-size: 13px; line-height: 1.65; color: var(--muted); }

/* ---- footer ---- */
footer { border-top: 1px solid var(--rule); padding: 32px 56px; }
footer .wrap { display: flex; flex-direction: column; gap: 18px; }
.foot-top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.foot-nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; }
.foot-legal {
  font-family: var(--mono); font-size: 10.5px; color: var(--faint);
  line-height: 1.8; display: flex; flex-direction: column; gap: 2px;
}

/* ---- legal pages ---- */
.legal { max-width: 720px; margin: 0 auto; padding: 80px 56px 96px; }
.legal h1 { font-size: 44px; margin-bottom: 10px; }
.legal .updated { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.legal h2 { font-size: 22px; margin-top: 40px; }
.legal p, .legal li { font-size: 15px; line-height: 1.7; color: var(--ink-2); margin-top: 12px; }
.legal ul { padding-left: 20px; }
.legal .note {
  background: var(--card); border: 1px solid var(--rule); border-radius: 12px;
  padding: 20px 24px; font-size: 14px; line-height: 1.7; color: var(--ink-2); margin-top: 28px;
}

@media (max-width: 900px) {
  h1 { font-size: 40px; }
  h2, .closing h2 { font-size: 30px; }
  section, .hero, .closing { padding: 56px 24px; }
  header.nav { padding: 18px 24px; gap: 12px; }
  header.nav nav { gap: 16px; }
  footer { padding: 28px 24px; }
  .legal { padding: 56px 24px 72px; }
  .hero-grid, .trust-grid, .buyers-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps, .desk { grid-template-columns: 1fr; }
  .proof .wrap { grid-template-columns: 1fr; }
  .proof-cell { border-right: none; border-bottom: 1px solid var(--rule); }
  .trust-intro { position: static; }
}