:root {
  --paper: #f4eedf;
  --paper-deep: #e6dcc8;
  --ink: #1f2926;
  --muted: #66716b;
  --blue: #2c6170;
  --green: #5d7654;
  --red: #a34a3d;
  --rule: #2b3631;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    linear-gradient(90deg, rgba(31,41,38,.045) 1px, transparent 1px),
    linear-gradient(rgba(31,41,38,.035) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  color: var(--ink);
  font: 18px/1.55 Georgia, "Times New Roman", serif;
}

body { padding: 1rem; }

a { color: var(--blue); text-underline-offset: .18em; }
a:hover { color: var(--red); }

main {
  width: min(74rem, 100%);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 3rem);
}

.sheet {
  background: rgba(244,238,223,.92);
  border: 2px solid var(--rule);
  box-shadow: 8px 8px 0 rgba(31,41,38,.18);
  padding: clamp(1.25rem, 4vw, 3rem);
}

.header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
  border-bottom: 2px solid var(--rule);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

h1, h2, h3 { line-height: 1.05; margin: 0 0 .75rem; }
h1 { font-size: clamp(2.4rem, 8vw, 6rem); letter-spacing: -.07em; }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
p { margin: 0 0 1rem; }

.kicker, .stamp, code, pre, .button {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.kicker { color: var(--muted); text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; }

.lang { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.button, .stamp {
  display: inline-block;
  border: 1.5px solid var(--rule);
  background: var(--paper-deep);
  color: var(--ink);
  padding: .25rem .55rem;
  text-decoration: none;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.cta-row {
  text-align: center;
  margin: 2rem 0 .5rem;
}

.cta {
  border-width: 2px;
  background: var(--ink);
  color: var(--paper);
  padding: 1rem 1.35rem;
  font-size: 1.1rem;
}

.cta:hover { color: var(--paper); background: var(--green); }

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(17rem, .8fr);
  gap: clamp(1rem, 4vw, 3rem);
}

.panel {
  border: 1.5px solid var(--rule);
  background: rgba(230,220,200,.55);
  padding: 1rem;
  margin-bottom: 1rem;
}

.stamps { display: flex; gap: .45rem; flex-wrap: wrap; margin: 1rem 0 1.25rem; }
.stamp:nth-child(2) { color: var(--blue); }
.stamp:nth-child(3) { color: var(--green); }
.stamp:nth-child(4) { color: var(--red); }

ul { padding-left: 1.1rem; }
li { margin: .25rem 0; }

.capabilities {
  display: grid;
  gap: .2rem;
  list-style: none;
  padding-left: 0;
  margin: 0 0 1.25rem;
}

.capabilities li {
  display: flex;
  align-items: center;
  gap: .35rem;
}

.capabilities svg {
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  color: var(--green);
  stroke: currentColor;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}


.records {
  border-left: 4px solid var(--blue);
  padding-left: 1rem;
  margin: 1rem 0;
}

pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--ink);
  color: var(--paper);
  padding: .85rem;
  font-size: .82rem;
}

.note { color: var(--muted); font-size: .94rem; }
.footer { border-top: 2px solid var(--rule); margin-top: 2rem; padding-top: 1rem; }

@media (max-width: 760px) {
  body { padding: .5rem; }
  .header, .grid { grid-template-columns: 1fr; }
  .lang { justify-content: flex-start; }
}

.donate { display: grid; gap: .15rem; margin-bottom: .75rem; }
.donate-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.donate code {
  display: block;
  font-size: .74rem;
  overflow-wrap: anywhere;
  border-left: 3px solid var(--blue);
  padding-left: .5rem;
  margin-bottom: .35rem;
}

.retention {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.25rem;
  font-size: .96rem;
}
.retention th, .retention td {
  border-bottom: 1px solid rgba(43,54,49,.35);
  padding: .45rem .6rem .45rem 0;
  text-align: left;
  vertical-align: top;
}
.retention thead th {
  border-bottom: 2px solid var(--rule);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.retention td:last-child { padding-right: 0; }