/* Layout: a field catalog / seed-packet aesthetic. Warm paper, soil-brown ink, moss accent. */
:root {
  --paper: #f8f5ee;
  --wash: #efe9da;
  --rule: #d8cfb8;
  --ink: #2a2318;
  --muted: #6b6250;
  --accent: #3f6b3f;
  --accent-ink: #ffffff;
  --accent-wash: #e2ead9;
  --rust: #a3502d;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
img { max-width: 100%; }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 20px; }
.mono { font-family: var(--mono); }
.label { font: 500 10.5px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.eyebrow { font: 500 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }

header.top { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 20; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.logo { width: 38px; height: 38px; border: 1.5px dashed var(--muted); border-radius: 50%; display: grid; place-items: center; font: 500 16px/1 var(--mono); color: var(--accent); flex: none; }
.brand-name { font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: 14px; }
.brand-sub { display: block; font: 400 11px/1.3 var(--mono); color: var(--muted); letter-spacing: .04em; }
nav.main { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
nav.main a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--ink); }

.btn { font: 500 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); padding: 13px 18px; cursor: pointer; text-decoration: none; display: inline-flex; justify-content: center; align-items: center; gap: 8px; }
.btn:hover { filter: brightness(.95); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.rust { background: var(--rust); border-color: var(--rust); }

.hero { padding-block: 56px 40px; border-bottom: 1px solid var(--rule); }
.hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); line-height: 1.12; margin: 14px 0 16px; max-width: 18ch; }
.hero p.lede { font-size: 1.05rem; color: var(--muted); max-width: 56ch; margin: 0 0 26px; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

section.block { padding-block: 44px; border-bottom: 1px solid var(--rule); }
section.block h2 { font-size: 1.5rem; margin: 6px 0 22px; }
section.block h2 + p.sub { margin-top: -14px; color: var(--muted); max-width: 60ch; margin-bottom: 26px; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .grid3, .grid2 { grid-template-columns: 1fr; } }

.card { background: var(--wash); border: 1px solid var(--rule); padding: 22px; }
.card .label { margin-bottom: 8px; }
.card h3 { font-size: 1.05rem; margin: 0 0 8px; }
.card p { color: var(--muted); font-size: 0.93rem; margin: 0; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.steps li { counter-increment: step; padding-left: 52px; position: relative; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border: 1px solid var(--accent); color: var(--accent); border-radius: 50%; display: grid; place-items: center; font: 600 14px var(--mono); }
.steps li h4 { margin: 0 0 4px; font-size: 1rem; }
.steps li p { margin: 0; color: var(--muted); font-size: 0.93rem; }

table.spec { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.spec th, table.spec td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); }
table.spec th { font: 500 10.5px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.callout { background: var(--accent-wash); border: 1px solid var(--rule); padding: 20px 22px; font-size: 0.95rem; }
.callout.rust { background: #f3e6dd; }
.callout strong { color: var(--ink); }

footer.site { padding: 28px 0 48px; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
footer.site a { color: var(--accent); text-decoration: none; }
footer.site a:hover { text-decoration: underline; }

.tag { display: inline-block; font: 500 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--accent-wash); border: 1px solid var(--rule); padding: 4px 8px; margin: 0 6px 6px 0; }