:root {
  --paper: #f6f7f4; --sheet: #ffffff; --ink: #1d2422; --ink-soft: #55615c;
  --rule: #d9ded8; --rule-strong: #b9c2bb; --accent: #1f5e4a; --accent-ink: #ffffff;
  --accent-wash: #e3eee8; --warn: #9a3412;
  --display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --r: 6px; --max: 1040px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121715; --sheet: #182019; --ink: #e5ebe7; --ink-soft: #9fb0a8;
    --rule: #2a3530; --rule-strong: #3c4a43; --accent: #7cc4a6; --accent-ink: #0f1a15;
    --accent-wash: #1d3129; --warn: #f0a37e; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121715; --sheet: #182019; --ink: #e5ebe7; --ink-soft: #9fb0a8;
  --rule: #2a3530; --rule-strong: #3c4a43; --accent: #7cc4a6; --accent-ink: #0f1a15;
  --accent-wash: #1d3129; --warn: #f0a37e; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--body); }
a { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 16px; }
@media (min-width: 700px) { .wrap { padding-inline: 28px; } }

.site-head { border-bottom: 2px solid var(--ink); }
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 24px; padding-block: 16px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 650 21px/1 var(--display); }
.logo svg { flex: none; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 14.5px; }
.site-nav a { color: var(--ink-soft); text-decoration: none; padding: 4px 0; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }

.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
h1, h2, h3 { font-family: var(--display); font-weight: 650; line-height: 1.15; text-wrap: balance; }
h1 { font-size: clamp(32px, 6vw, 52px); margin: 10px 0 16px; letter-spacing: -.01em; }
h2 { font-size: clamp(24px, 3.4vw, 32px); margin: 0 0 12px; }
h3 { font-size: 20px; margin: 0 0 6px; }
.lede { font-size: clamp(17px, 2.2vw, 19px); color: var(--ink-soft); max-width: 60ch; margin: 0 0 24px; }

.hero { padding-block: 56px 48px; }
.hero-grid { display: grid; gap: 36px; align-items: start; }
@media (min-width: 860px) { .hero-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); } }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-block; font: 600 16px/1 var(--body); padding: 14px 22px; border-radius: 4px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.is-pending { background: transparent; color: var(--ink-soft); border: 1px dashed var(--rule-strong); cursor: default; filter: none; }
.fine { font-size: 13.5px; color: var(--ink-soft); }

.sheet { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r); padding: 22px clamp(18px, 3vw, 28px); }
.tick-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.tick-list li { padding-left: 28px; position: relative; }
.tick-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }

section.band { padding-block: 48px; border-top: 1px solid var(--rule); }
.grid-3 { display: grid; gap: 16px; }
@media (min-width: 760px) { .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.grid-2 { display: grid; gap: 16px; }
@media (min-width: 760px) { .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--r); padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.card p { margin: 0; color: var(--ink-soft); }
.card .btn { align-self: flex-start; margin-top: auto; }
.price { font: 650 30px/1 var(--display); }
.price small { font: 400 14px var(--body); color: var(--ink-soft); }
.tag { display: inline-block; align-self: flex-start; font: 500 11.5px/1.5 var(--mono); letter-spacing: .05em; text-transform: uppercase; border: 1px solid var(--rule-strong); border-radius: 999px; padding: 1px 9px; color: var(--ink-soft); }
.tag.live { border-color: var(--accent); color: var(--accent); }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 40px 1fr; gap: 12px; }
.steps li::before { content: counter(s, decimal-leading-zero); font: 500 14px/1.9 var(--mono); color: var(--accent); }

table.ledger { width: 100%; border-collapse: collapse; font-size: 15px; }
table.ledger th { text-align: left; font: 500 11.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); border-bottom: 1.5px solid var(--ink); padding: 8px; }
table.ledger td { border-bottom: 1px solid var(--rule); padding: 10px 8px; vertical-align: top; }
.ledger-wrap { overflow-x: auto; }

.prose { max-width: 70ch; }
.prose h2 { font-size: 22px; margin-top: 32px; }
.note { border-left: 3px solid var(--accent); background: var(--accent-wash); padding: 12px 16px; border-radius: 0 var(--r) var(--r) 0; font-size: 15px; }

.site-foot { border-top: 2px solid var(--ink); margin-top: 48px; padding-block: 28px 40px; font-size: 13.5px; color: var(--ink-soft); }
.site-foot .wrap { display: grid; gap: 10px; }
.site-foot a { color: var(--ink-soft); }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }