:root {
  --ink: #122221;
  --muted: #5c6a69;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --line: #d9d4c8;
  --accent: #184038;
  --accent-2: #678bae;
  --warn: #7a4a12;
  --max: 68rem;
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--accent); }
a:hover { color: var(--ink); }

img { max-width: 100%; height: auto; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 20;
  background: var(--card);
  padding: 0.4rem 0.7rem;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
}

.nav-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 0.4rem 0.7rem;
  font: inherit;
  font-size: 0.85rem;
  font-family: var(--mono);
}

.nav {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0 0 1rem;
}

.nav.open { display: flex; }

.nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  padding: 0.25rem 0;
}

.nav a[aria-current="page"] { font-weight: 600; }

.hero {
  padding: 2.4rem 0 2rem;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.85rem;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin: 0 0 1rem;
  max-width: 18ch;
}

h1.headline-wide { max-width: 22ch; }

h2 { font-size: 1.35rem; margin: 0 0 0.75rem; }
h3 { font-size: 1.05rem; margin: 0 0 0.4rem; }

.lede {
  max-width: 42rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card .cta-row {
  margin-top: 1rem;
}

.flow-then {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.25rem 0 0.65rem;
}

.else {
  margin-top: 2.75rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.else h2 { margin-bottom: 0.5rem; }

.else .lede { margin-bottom: 1rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--accent);
  padding: 0.7rem 1rem;
  font-weight: 500;
}

.btn-primary {
  background: var(--accent);
  color: #f6f3ec;
}

.btn-primary:hover { color: #fff; }

.btn-secondary {
  background: transparent;
  color: var(--accent);
}

.grid {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1.1rem 1.15rem;
}

.card p { margin: 0.35rem 0 0; color: var(--muted); }

.card .meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.45rem;
}

.split { padding: 0 0 2.5rem; }

.note {
  font-size: 0.92rem;
  color: var(--muted);
}

.quiet {
  font-size: 0.88rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding-top: 1rem;
}

.quiet p { margin: 0.35rem 0 0; }
.quiet p:first-child { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.7rem 0.6rem 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.stub {
  border: 1px dashed var(--line);
  padding: 1rem;
  background: #efebe1;
}

.stub strong { color: var(--warn); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.2rem;
  margin-bottom: 0.8rem;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--card);
  text-decoration: none;
}

.icon-link svg {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}

.icon-link:hover { color: var(--accent); }

.icon-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.agent-box {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  margin: 1.5rem 0 0;
}

.proof-group {
  margin-top: 2.4rem;
}

.proof-group h2 {
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}

.proof-group > .lede {
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.05rem;
  margin: 0;
}

#proof-status {
  margin: 0 0 0.5rem;
}

@media (min-width: 720px) {
  .nav-toggle { display: none; }

  .site-header .bar { padding: 1rem 0; }

  .nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.15rem;
    padding: 0;
  }

  .cta-row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hero { padding: 4rem 0 3rem; }

  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; }

  h1 { max-width: 16ch; }
  h1.headline-wide { max-width: 22ch; }
}