/* whorlid demo: ink and powder.
   A dark archival card: deep ink ground, bone type, ochre print. */

:root {
  --ink: #0e1218;
  --ink-raised: #151b23;
  --ink-line: #232c37;
  --ridge: #e8e3d9;
  --ridge-dim: #8b93a0;
  --amber: #e0a045;
  --teal: #5fb8c8;

  --serif: ui-serif, 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;

  --gutter: clamp(1.25rem, 4vw, 3rem);
  --max: 1080px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--ridge);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ridge); text-decoration-color: var(--ink-line); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--amber); }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.015em; }

main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

section { padding-block: clamp(3.5rem, 8vw, 6rem); }
section + section { border-top: 1px solid var(--ink-line); }

.micro-label,
.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ridge-dim);
  margin: 0;
}

/* --- top bar --------------------------------------------------------- */
.bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem var(--gutter);
  border-bottom: 1px solid var(--ink-line);
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-decoration: none;
}
.wordmark::before {
  content: '';
  display: inline-block;
  width: 0.5rem; height: 0.5rem;
  margin-right: 0.5rem;
  border: 1.5px solid var(--amber);
  border-radius: 50%;
}

.bar-links {
  display: flex;
  gap: clamp(0.85rem, 3vw, 1.75rem);
  font-size: 0.85rem;
}
.bar-links a { text-decoration: none; color: var(--ridge-dim); }
.bar-links a:hover { color: var(--ridge); }

/* --- hero ------------------------------------------------------------ */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.6vw, 3.6rem);
  line-height: 1.06;
  margin: 0.75rem 0 0;
  text-wrap: balance;
}

.lede {
  color: var(--ridge-dim);
  max-width: 46ch;
  margin: 1.1rem 0 0;
}

.id-block {
  margin-top: clamp(2rem, 4vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-line);
}

.visitor-id {
  font-family: var(--mono);
  font-size: clamp(0.95rem, 2.7vw, 1.4rem);
  line-height: 1.45;
  letter-spacing: 0.03em;
  margin: 0.5rem 0 0;
  color: var(--amber);
}
.visitor-id .pending { color: var(--ridge-dim); letter-spacing: 0; font-family: var(--sans); }
/* Wrap between groups of eight, never through one. */
.visitor-id .group { display: inline-block; white-space: nowrap; }
.visitor-id .group + .group { margin-left: 0.55em; }
.visitor-id .failed { color: var(--ridge-dim); font-family: var(--sans); letter-spacing: 0; }

.meter-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.meter {
  flex: 1;
  height: 3px;
  background: var(--ink-line);
  position: relative;
  overflow: hidden;
}
.meter-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--teal);
  transition: width 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.meter-value {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--teal);
  margin: 0;
  min-width: 3.2ch;
  text-align: right;
}

.meter-caption {
  font-size: 0.82rem;
  color: var(--ridge-dim);
  margin: 0.7rem 0 0;
  max-width: 52ch;
}

/* --- the print ------------------------------------------------------- */
.print { margin: 0; text-align: center; }

.print svg {
  width: 100%;
  max-width: 340px;
  height: auto;
  display: block;
  margin: 0 auto 1rem;
}

.print path {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1.1;
  stroke-linecap: round;
}

@media (prefers-reduced-motion: no-preference) {
  .print path {
    stroke-dashoffset: var(--len);
    animation: develop 1100ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: var(--delay);
  }
}
@keyframes develop { to { stroke-dashoffset: 0; } }

/* --- signals --------------------------------------------------------- */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.section-head h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 0; }

.section-tools { display: flex; align-items: center; gap: 1rem; }

.timing { font-family: var(--mono); font-size: 0.75rem; color: var(--ridge-dim); margin: 0; }

.btn-ghost {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ridge);
  background: none;
  border: 1px solid var(--ink-line);
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }

th {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--ridge-dim);
  text-align: left;
  padding: 0 0 0.6rem;
  border-bottom: 1px solid var(--ink-line);
}
th.num, td.num { text-align: right; }

td {
  padding: 0.55rem 1rem 0.55rem 0;
  border-bottom: 1px solid var(--ink-line);
  vertical-align: top;
}
td:last-child { padding-right: 0; }

.sig-name { font-family: var(--mono); color: var(--ridge); white-space: nowrap; }

.sig-value {
  font-family: var(--mono);
  color: var(--ridge-dim);
  max-width: 0;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sig-value.null { color: #5c6472; font-style: italic; }

.num { font-family: var(--mono); color: var(--ridge-dim); white-space: nowrap; }

.chip {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.1rem 0.35rem;
  border: 1px solid currentColor;
  vertical-align: 1px;
}
.chip-hash { color: var(--amber); margin-left: 0.5rem; }

.pending-row td { color: var(--ridge-dim); }

.table-note {
  font-size: 0.82rem;
  color: var(--ridge-dim);
  max-width: 68ch;
  margin: 1.25rem 0 0;
}

/* --- limits ---------------------------------------------------------- */
.limits h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 0 0 2rem; }

.limits dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0;
}
.limits dt {
  font-family: var(--serif);
  font-size: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--amber);
}
.limits dd { margin: 0.6rem 0 0; color: var(--ridge-dim); font-size: 0.9rem; }

/* --- install --------------------------------------------------------- */
.install {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: clamp(2rem, 5vw, 3.5rem);
}
.install h2 { font-size: 1.25rem; margin: 0 0 1.25rem; }
.install p { color: var(--ridge-dim); font-size: 0.9rem; }
.install em { color: var(--ridge); font-style: italic; }

pre {
  background: var(--ink-raised);
  border: 1px solid var(--ink-line);
  padding: 1rem;
  overflow-x: auto;
  margin: 0 0 1rem;
}
code { font-family: var(--mono); font-size: 0.82rem; line-height: 1.7; }
.k { color: var(--teal); }
.s { color: var(--amber); }

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--amber);
  color: var(--amber);
  text-decoration: none;
  margin-top: 0.5rem;
}
.btn:hover { background: var(--amber); color: var(--ink); }

/* --- footer ---------------------------------------------------------- */
footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 4rem;
  border-top: 1px solid var(--ink-line);
  font-size: 0.82rem;
  color: var(--ridge-dim);
}
footer p { margin: 0 0 0.35rem; }
.footer-note { color: #5c6472; }

/* --- narrow ---------------------------------------------------------- */
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
  .print { order: -1; }
  .print svg { max-width: 220px; }
}