@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  --ink: #191919;
  --fg-2: rgba(25,25,25,0.56);
  --fg-3: rgba(25,25,25,0.40);
  --beige: #f7f6f5;
  --beige-2: #f5f3f2;
  --white: #ffffff;
  --border: #e7e7e7;
  --border-3: #d9d9d9;
  --blue: #317cff;
  --green: #00a558;
  --red: #f53b3a;
  --orange: #f58e3a;
  --sans: "IBM Plex Sans", Inter, system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--beige); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
code, pre, .mono { font-family: var(--mono); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue); margin: 0 0 12px;
}
h1, h2, h3 { font-weight: 500; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.02; letter-spacing: -0.03em; }
h2 { font-size: clamp(26px, 3vw, 36px); line-height: 1.1; letter-spacing: -0.02em; }
h3 { font-size: 18px; }
p { margin: 0; }
.lede { font-size: 19px; line-height: 1.45; color: var(--fg-2); max-width: 640px; }
.muted { color: var(--fg-2); }
.small { font-size: 13px; }

/* Nav */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand-mark {
  display: inline-block; width: 14px; height: 14px; border: 2px solid var(--ink);
  border-radius: 50%; border-right-color: transparent; transform: translateY(1px);
}
.brand-name { font-weight: 600; letter-spacing: -0.01em; }
.brand-by { font-family: var(--mono); font-size: 11px; color: var(--fg-2); letter-spacing: 0.04em; }
.nav-links { display: flex; gap: 22px; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--fg-2); }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 88px 0 56px; border-bottom: 1px solid var(--border); }
.hero h1 { max-width: 900px; margin-bottom: 22px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); margin-top: 56px; border: 1px solid var(--border); }
.stat { background: var(--white); padding: 22px 22px 20px; }
.stat b { display: block; font-size: 40px; font-weight: 500; letter-spacing: -0.03em; line-height: 1; margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13px; color: var(--fg-2); }
.stat.alert b { color: var(--red); }

/* Sections */
section { padding: 64px 0; border-bottom: 1px solid var(--border); }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.sec-head p { max-width: 560px; }

/* Buttons + inputs (marketing CTAs are square) */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px;
  background: var(--ink); color: var(--white); border: 1px solid var(--ink);
  border-radius: 0; cursor: pointer; font-size: 14px; font-weight: 500; text-decoration: none;
}
.btn:hover { background: #000; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--white); }
.btn.sm { padding: 7px 12px; font-size: 13px; }
.input, textarea.input {
  width: 100%; padding: 12px 14px; background: var(--white); border: 1px solid var(--border-3);
  border-radius: 0; outline: none;
}
.input:focus, textarea.input:focus { border-color: var(--ink); }
textarea.input { min-height: 110px; resize: vertical; font-family: var(--mono); font-size: 13px; }

/* Audit form */
.audit-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: start; }
.audit-alt { margin-top: 14px; }
.audit-alt summary { cursor: pointer; color: var(--fg-2); font-size: 14px; }
.audit-alt-body { margin-top: 12px; display: grid; gap: 10px; }
.audit-alt-body .row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.status-line { margin-top: 10px; font-family: var(--mono); font-size: 12px; color: var(--fg-2); min-height: 18px; }

/* Result card */
.result { margin-top: 36px; background: var(--white); border: 1px solid var(--border); }
.result-head { display: grid; grid-template-columns: 1fr auto; gap: 24px; padding: 24px 28px; border-bottom: 1px solid var(--border); align-items: center; }
.result-head h3 { font-size: 22px; letter-spacing: -0.02em; }
.result-head .meta { font-family: var(--mono); font-size: 12px; color: var(--fg-2); margin-top: 6px; }
.verdict { display: flex; align-items: center; gap: 18px; }
.score { text-align: right; }
.score b { display: block; font-size: 44px; line-height: 1; font-weight: 500; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.score span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-2); }
.pill { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 10px; border: 1px solid var(--border-3); white-space: nowrap; }
.pill.open { color: var(--red); border-color: var(--red); }
.pill.closed { color: var(--green); border-color: var(--green); }
.pill.read-only { color: var(--fg-2); }

/* Journey map */
.loop { display: grid; grid-template-columns: repeat(8, 1fr); gap: 1px; background: var(--border); border-bottom: 1px solid var(--border); }
.stage { background: var(--white); padding: 18px 14px 16px; min-height: 168px; display: flex; flex-direction: column; gap: 8px; position: relative; }
.stage.empty { background: var(--beige-2); }
.stage .num { font-family: var(--mono); font-size: 11px; color: var(--fg-3); }
.stage .name { font-weight: 500; font-size: 15px; }
.stage.empty .name { color: var(--fg-3); }
.stage .dot { position: absolute; top: 18px; right: 14px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.stage.empty .dot { background: transparent; border: 1px solid var(--border-3); }
.stage.empty.critical .dot { border-color: var(--red); }
.stage .tools { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; }
.chip { font-family: var(--mono); font-size: 11px; padding: 3px 6px; background: var(--beige); border: 1px solid var(--border); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stage .gap { font-size: 12px; color: var(--fg-2); margin-top: auto; line-height: 1.35; }
.stage .note { font-size: 12px; color: var(--blue); border-left: 2px solid var(--blue); padding-left: 8px; margin-top: 6px; }

/* Missing / stubs */
.result-body { display: grid; grid-template-columns: 1fr 1.25fr; gap: 0; }
.result-body > div { padding: 24px 28px; }
.result-body > div + div { border-left: 1px solid var(--border); }
.gap-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.gap-list li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 14px; }
.gap-list .k { font-family: var(--mono); font-size: 11px; color: var(--red); padding-top: 3px; }
.gap-list .k.ok { color: var(--green); }
.stub { border: 1px solid var(--border); margin-top: 14px; }
.stub-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--beige); }
.stub-head .n { font-family: var(--mono); font-size: 12px; }
.stub-head .s { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-left: 8px; }
.stub textarea { width: 100%; border: 0; padding: 12px; min-height: 220px; font-family: var(--mono); font-size: 12px; line-height: 1.5; background: var(--white); resize: vertical; outline: none; }
.empty-state { color: var(--fg-3); font-size: 14px; margin-top: 12px; }

/* Corpus */
.bars { display: grid; gap: 10px; }
.bar { display: grid; grid-template-columns: 90px 1fr 70px; gap: 14px; align-items: center; font-size: 14px; }
.bar .track { height: 10px; background: var(--white); border: 1px solid var(--border); position: relative; }
.bar .fill { position: absolute; inset: 0 auto 0 0; background: var(--ink); }
.bar.critical .fill { background: var(--red); }
.bar .v { font-family: var(--mono); font-size: 12px; text-align: right; color: var(--fg-2); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-2); font-weight: 500; padding: 0 0 10px; border-bottom: 1px solid var(--border); }
.table td { padding: 10px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.table td.mono { font-size: 12px; color: var(--fg-2); }
.table tr { cursor: pointer; }
.table tr:hover td { background: var(--white); }
.mini-loop { display: inline-flex; gap: 2px; }
.mini-loop i { display: block; width: 9px; height: 9px; background: var(--ink); }
.mini-loop i.off { background: transparent; border: 1px solid var(--border-3); }
.mini-loop i.crit { border-color: var(--red); }

/* Tools for agents */
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.tool { background: var(--white); padding: 18px 20px; }
.tool .n { font-family: var(--mono); font-size: 13px; font-weight: 500; }
.tool p { font-size: 14px; color: var(--fg-2); margin-top: 6px; }
.webmcp-status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--fg-2); }
.webmcp-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--border-3); display: inline-block; }
.webmcp-status.on i { background: var(--green); }
.log { margin-top: 20px; border: 1px solid var(--border); background: var(--white); max-height: 220px; overflow: auto; font-family: var(--mono); font-size: 12px; }
.log div { padding: 8px 12px; border-bottom: 1px solid var(--border); color: var(--fg-2); }
.log div b { color: var(--ink); font-weight: 500; }

footer { padding: 36px 0 56px; font-size: 13px; color: var(--fg-2); display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--fg-2); }

@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .loop { grid-template-columns: repeat(4, 1fr); }
  .result-body, .two-col { grid-template-columns: 1fr; }
  .result-body > div + div { border-left: 0; border-top: 1px solid var(--border); }
  .tool-grid { grid-template-columns: 1fr; }
  .audit-form { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}