/* CiteLedger brand system - see brand/brand-guidelines.md */
:root {
  --ink: #16233B;
  --paper: #F7F4EE;
  --brass: #C9A227;
  --green: #2E7D5B;
  --red: #B3362B;
  --slate: #3E4C63;
  --mist: #D9D4C9;
  --serif: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  --sans: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'SF Mono', Consolas, 'Cascadia Mono', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--paper); color: var(--slate); font-family: var(--sans); font-size: 17px; line-height: 1.6; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--serif); color: var(--ink); line-height: 1.15; }
a { color: var(--ink); text-decoration-color: var(--brass); text-decoration-thickness: 2px; }

/* Header */
header.site { background: var(--paper); border-bottom: 1px solid var(--mist); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.lockup { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.lockup img { height: 36px; }
.lockup span { font-family: var(--serif); font-size: 24px; color: var(--ink); }
.lockup b { font-weight: 700; }
nav a { margin-left: 22px; font-size: 15px; text-decoration: none; color: var(--slate); }
nav a.cta, .btn { background: var(--ink); color: var(--paper); padding: 10px 20px; border-radius: 6px; border: none; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; }
nav a.cta:hover, .btn:hover { background: #22345A; }
.btn.secondary { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn:disabled { opacity: .5; cursor: default; }

/* Hero */
.hero { padding: 88px 0 64px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); max-width: 17ch; }
.hero p.sub { font-size: 20px; max-width: 56ch; margin: 22px 0 30px; }
.kicker { font-family: var(--mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--brass); font-weight: 700; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin: 56px 0; }
.stat { background: #fff; border: 1px solid var(--mist); border-radius: 8px; padding: 22px; box-shadow: 0 1px 3px rgba(22,35,59,.08); }
.stat .n { font-family: var(--serif); font-weight: 700; font-size: 40px; color: var(--ink); }
.stat .n.brass { color: var(--brass); }
.stat p { font-size: 14px; margin-top: 6px; }
.stat a { font-size: 13px; }

/* Sections */
section { padding: 56px 0; }
section.alt { background: #fff; border-top: 1px solid var(--mist); border-bottom: 1px solid var(--mist); }
section h2 { font-size: 34px; margin-bottom: 12px; }
.lede { font-size: 19px; max-width: 62ch; margin-bottom: 32px; }
.cols3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: #fff; border: 1px solid var(--mist); border-radius: 8px; padding: 26px; box-shadow: 0 1px 3px rgba(22,35,59,.08); }
section.alt .card { background: var(--paper); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card .step { font-family: var(--mono); color: var(--brass); font-weight: 700; font-size: 13px; }

/* Ledger table */
table.ledger { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 13.5px; background: #fff; border: 1px solid var(--mist); border-radius: 8px; overflow: hidden; }
table.ledger th { text-align: left; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--slate); background: var(--paper); padding: 10px 14px; border-bottom: 2px solid var(--mist); }
table.ledger td { padding: 12px 14px; border-bottom: 1px solid var(--mist); vertical-align: top; }
table.ledger tr:last-child td { border-bottom: none; }
.chip { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .06em; padding: 3px 9px; border-radius: 4px; }
.chip.found { color: var(--green); background: rgba(46,125,91,.12); }
.chip.notfound { color: var(--red); background: rgba(179,54,43,.12); }
.chip.review { color: var(--slate); background: rgba(62,76,99,.12); }
.chip.mismatch { color: #8a5a00; background: rgba(201,162,39,.2); }
.quoteline { margin-top: 5px; font-size: 12px; font-family: var(--mono); }
.quoteline.ok { color: var(--green); }
.quoteline.bad { color: var(--red); font-weight: 700; }
.quoteline.warn { color: var(--slate); }

/* Pricing */
.tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.tier { background: #fff; border: 1px solid var(--mist); border-radius: 8px; padding: 28px; }
.tier.feature { border: 2px solid var(--brass); }
.tier .price { font-family: var(--serif); font-size: 40px; font-weight: 700; color: var(--ink); }
.tier .per { font-size: 14px; color: var(--slate); }
.tier ul { list-style: none; margin: 16px 0 22px; }
.tier li { padding: 5px 0 5px 26px; position: relative; font-size: 15px; }
.tier li::before { content: ''; position: absolute; left: 0; top: 11px; width: 12px; height: 8px; border-left: 2.5px solid var(--brass); border-bottom: 2.5px solid var(--brass); transform: rotate(-45deg); }

/* Receipts / evidence */
.receipt { border-left: 3px solid var(--brass); padding: 4px 0 4px 20px; margin: 22px 0; }
.receipt p { font-family: var(--serif); font-size: 19px; color: var(--ink); }
.receipt cite { display: block; font-size: 14px; font-style: normal; margin-top: 8px; }

/* Footer */
footer.site { background: var(--ink); color: var(--paper); padding: 44px 0; margin-top: 40px; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
footer.site p { font-size: 13.5px; opacity: .85; max-width: 62ch; }
footer.site .rule { width: 48px; height: 3px; background: var(--brass); margin-bottom: 14px; }

/* App */
.appgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; padding: 40px 0; align-items: start; }
textarea#brief { width: 100%; min-height: 340px; font-family: var(--mono); font-size: 13.5px; padding: 16px; border: 1px solid var(--mist); border-radius: 8px; background: #fff; color: var(--slate); resize: vertical; }
.modebadge { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .08em; padding: 4px 10px; border-radius: 4px; text-transform: uppercase; }
.modebadge.demo { background: rgba(201,162,39,.15); color: #8a6d14; }
.modebadge.live { background: rgba(46,125,91,.12); color: var(--green); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; align-items: center; }
.summary { display: flex; gap: 14px; flex-wrap: wrap; margin: 18px 0; }
.summary .pill { background: #fff; border: 1px solid var(--mist); border-radius: 8px; padding: 12px 18px; }
.summary .pill b { font-family: var(--serif); font-size: 26px; display: block; }
.summary .pill.green b { color: var(--green); } .summary .pill.red b { color: var(--red); } .summary .pill.ink b { color: var(--ink); } .summary .pill.amber b { color: #8a5a00; }
.disclaimer { font-size: 12.5px; color: var(--slate); opacity: .8; margin-top: 18px; }
.letterbox { background: #fff; border: 1px solid var(--mist); border-radius: 8px; padding: 18px; font-family: var(--serif); font-size: 15.5px; color: var(--ink); margin-top: 14px; }

@media (max-width: 860px) {
  .appgrid { grid-template-columns: 1fr; }
  nav a:not(.cta) { display: none; }
  .hero { padding: 56px 0 40px; }
  table.ledger { display: block; overflow-x: auto; }
}