/* Kestrel Cloud: minimalist, near-white, near-black, one teal accent; color only for status. */
:root {
  --bg: #ffffff; --soft: #fafaf9; --sunken: #f2f3f2; --ink: #141615; --text: #2e3330; --muted: #4a4f4c;
  --faint: #6b706d; --line: #e6e8e6; --field: #d7dad8; --accent: #0d6b73; --accent-dark: #0a5258;
  --good: #1f7a4d; --watch: #a15c00; --bad: #b3261e; --none: #6b706d;
  --sans: "Geist", "Helvetica Neue", Arial, sans-serif; --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
body { padding-inline: 0; }
a { color: var(--accent); } a:hover { color: var(--accent-dark); }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; font-weight: 600; line-height: 1.15; text-wrap: balance; }
p { margin: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); } .faint { color: var(--faint); }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 32px; }
.narrow { max-width: 960px; margin: 0 auto; padding-inline: 32px; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.eyebrow { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); font-weight: 500; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* header */
.top { border-bottom: 1px solid var(--line); }
.top nav { display: flex; align-items: center; gap: 28px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; color: var(--ink); text-decoration: none; margin-right: auto; }
.top nav a.link { color: var(--muted); text-decoration: none; font-size: 15px; }

/* buttons and forms */
.btn { display: inline-flex; align-items: center; gap: 8px; font: inherit; font-size: 15px; font-weight: 500; border-radius: 8px;
       padding: 11px 18px; border: 1px solid var(--ink); background: var(--ink); color: #fff; text-decoration: none; cursor: pointer; }
.btn:hover { color: #fff; background: #000; }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--field); }
.btn.ghost:hover { background: var(--soft); color: var(--ink); }
.btn.danger { background: var(--bad); border-color: var(--bad); }
.btn.small { padding: 7px 12px; font-size: 14px; }
.link-btn { font: inherit; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font-size: 14px; }
label { font-size: 14px; font-weight: 500; }
input[type=text], input[type=email], input[type=date], input[type=number], select, textarea {
  font: inherit; font-size: 16px; padding: 11px 13px; border: 1px solid var(--field); border-radius: 8px; background: #fff; color: var(--ink); width: 100%; }
.field { display: flex; flex-direction: column; gap: 8px; }
.error { color: var(--bad); font-size: 14px; }
.note { padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--soft); font-size: 15px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

/* status */
.s-ok { color: var(--good); } .s-warning { color: var(--watch); } .s-critical { color: var(--bad); } .s-none, .s-not.measured { color: var(--none); }
.better { color: var(--good); } .worse { color: var(--bad); }

/* panels and tables */
.panel { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-weight: 500; font-size: 13px; color: var(--faint); background: var(--soft); padding: 10px 16px; border-bottom: 1px solid var(--line); }
.table td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; font-size: 14px; }
.steps li { display: flex; flex-direction: column; gap: 8px; color: var(--faint); }
.steps li::before { content: ""; height: 3px; border-radius: 2px; background: var(--line); }
.steps li.done, .steps li.now { color: var(--muted); }
.steps li.done::before, .steps li.now::before { background: var(--accent); }
.steps li.now { color: var(--ink); font-weight: 600; }
.bar { height: 6px; background: #eef0ee; border-radius: 3px; overflow: hidden; }
.bar > div { height: 100%; background: var(--accent); }
.bar.done > div { background: var(--good); }

/* app shell */
.shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.side { border-right: 1px solid var(--line); background: var(--soft); padding: 24px 16px; display: flex; flex-direction: column; gap: 4px; }
.side .brand { padding: 0 10px 20px; margin: 0; font-size: 17px; }
.side a { padding: 8px 10px; border-radius: 6px; color: var(--muted); text-decoration: none; font-size: 15px; border: 1px solid transparent; }
.side a.on { background: #fff; border-color: var(--line); color: var(--ink); font-weight: 500; }
.side .foot { margin-top: auto; padding: 16px 10px 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--faint); }
.main { padding: 32px 40px 64px; display: flex; flex-direction: column; gap: 32px; min-width: 0; }

/* scorecard */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.card .top-line { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; }
.card .big { font-family: var(--mono); font-size: 32px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.card .big small { font-size: 15px; color: var(--faint); }
.card .foot { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--faint); flex-wrap: wrap; }
details.how summary { cursor: pointer; font-size: 13px; color: var(--accent); }

/* findings */
.finding { display: grid; grid-template-columns: 110px minmax(0, 2.2fr) minmax(0, 2.6fr); gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--line); align-items: center; font-size: 14px; }
.finding:last-child { border-bottom: 0; }
.finding form { display: grid; grid-template-columns: minmax(0, 1fr) 130px 128px auto; gap: 8px; align-items: center; }
.finding form input, .finding form select { font-size: 14px; padding: 7px 9px; }
.where { font-family: var(--mono); font-size: 13px; }

/* landing */
.hero { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; align-items: center; padding-block: 96px 80px; }
.hero h1 { font-size: 56px; line-height: 1.05; letter-spacing: -0.03em; }
.lede { font-size: 19px; color: var(--muted); max-width: 34em; }
.checks { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; color: var(--muted); }
.checks li::before { content: "✓"; color: var(--accent); margin-right: 8px; font-weight: 600; }
.receipt { border: 1px solid var(--line); border-radius: 14px; background: var(--soft); padding: 28px; display: flex; flex-direction: column; gap: 18px; font-size: 14px; }
.pairs { margin: 0; display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 10px 16px; }
.pairs dt { color: var(--faint); } .pairs dd { margin: 0; }
.band { background: var(--soft); border-block: 1px solid var(--line); }
.section { padding-block: 88px; display: flex; flex-direction: column; gap: 40px; }
.section h2 { font-size: 36px; }
.three { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.three .n { font-family: var(--mono); color: var(--accent); font-size: 14px; }
.measures { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.measures div { background: #fff; padding: 22px; display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.measures b { color: var(--ink); font-size: 16px; font-weight: 600; }
.dark { background: var(--ink); color: #f3f4f3; }
.dark .box { border: 1px solid #2c302e; border-radius: 12px; padding: 28px; }
.dark .muted { color: #9ba19d; }
.dark td { padding: 10px 0; border-bottom: 1px solid #2c302e; }
.dark .ro { text-align: right; font-family: var(--mono); color: #8fd3c8; }
.four { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; font-size: 15px; }
.four li { display: flex; flex-direction: column; gap: 6px; }
footer.site { border-top: 1px solid var(--line); }
footer.site div { display: flex; gap: 24px; font-size: 14px; color: var(--faint); padding-block: 28px; }

/* investor */
.paper { background: #f4f5f4; min-height: 100vh; padding: 32px; }
.sheet { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 56px; display: flex; flex-direction: column; gap: 40px; }
.area-card { border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.figure { background: var(--soft); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 4px; }
.figure b { font-family: var(--mono); font-size: 28px; font-weight: 400; }

@media (max-width: 860px) {
  .wrap, .narrow { padding-inline: 16px; }
  .hero, .three, .measures, .four, .grid2, .cards, .steps { grid-template-columns: 1fr; }
  .hero { gap: 32px; padding-block: 48px; } .hero h1 { font-size: 38px; }
  .shell { grid-template-columns: 1fr; } .side { flex-direction: row; flex-wrap: wrap; } .side .foot { display: none; }
  .main { padding: 24px 16px; }
  .finding { grid-template-columns: 1fr; } .finding form { grid-template-columns: 1fr 1fr; }
  .sheet { padding: 28px; } .paper { padding: 16px; }
}