:root {
  --paper: #f6f3ec; --ink: #16181d; --muted: #5b6070; --line: #d9d4c7;
  --card: #fffdf8; --accent: #c8401a; --accent-ink: #fff; --ok: #1f6b4a;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Avenir Next", Avenir, "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #101216; --ink: #ece8df; --muted: #9aa0ae; --line: #2a2e37;
          --card: #171a20; --accent: #ff6a3d; --accent-ink: #16181d; --ok: #5fd0a0; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: inherit; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--card); padding: 8px 12px; z-index: 2; }

header.top { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; padding-block: 22px; }
.brand { font: 600 18px/1 var(--sans); letter-spacing: -0.01em; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand svg { width: 22px; height: 22px; }
.status { font: 12px/1 var(--mono); color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 7px 12px; white-space: nowrap; }
.status::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 8px; }

.hero { padding-block: 56px 40px; }
h1 { font: 500 clamp(38px, 6.4vw, 68px)/1.04 var(--serif); letter-spacing: -0.02em; margin: 0 0 24px; max-width: 15ch; }
h1 em { font-style: italic; color: var(--accent); }
.lede { font-size: clamp(18px, 2.1vw, 21px); color: var(--muted); max-width: 56ch; margin: 0 0 36px; }

.join { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; max-width: 560px; }
.join label.field { display: block; font: 600 13px/1 var(--sans); margin-bottom: 8px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row input[type=email] { flex: 1 1 240px; min-width: 0; font: inherit; padding: 13px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); }
button { font: 600 16px/1 var(--sans); padding: 14px 20px; border: 0; border-radius: 9px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
button:hover { filter: brightness(1.08); }
.consent { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-size: 14px; color: var(--muted); }
.consent input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--accent); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

section { padding-block: 56px; border-top: 1px solid var(--line); }
h2 { font: 500 clamp(26px, 3.4vw, 36px)/1.15 var(--serif); letter-spacing: -0.015em; margin: 0 0 12px; max-width: 24ch; }
.sub { color: var(--muted); max-width: 60ch; margin: 0 0 32px; }

.pipe { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 10px; counter-reset: step; }
.pipe li { counter-increment: step; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 14px 18px; font-size: 14px; color: var(--muted); }
.pipe li::before { content: "0" counter(step); display: block; font: 12px/1 var(--mono); color: var(--muted); margin-bottom: 14px; }
.pipe b { display: block; color: var(--ink); font: 600 16px/1.2 var(--sans); margin-bottom: 6px; }
.pipe li.human { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.pipe li.human::before { content: "06 \00b7 a person"; color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px 40px; }
.grid h3 { font: 600 17px/1.3 var(--sans); margin: 0 0 6px; }
.grid p { margin: 0; color: var(--muted); font-size: 16px; }

.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.two > div { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.two h3 { margin: 0 0 8px; font: 600 18px/1.3 var(--sans); }
.two p { margin: 0; color: var(--muted); font-size: 16px; }
.tag { font: 12px/1 var(--mono); color: var(--ok); display: block; margin-bottom: 14px; }

ul.plain { margin: 0; padding-left: 20px; color: var(--muted); max-width: 64ch; }
ul.plain li { margin-bottom: 8px; }
ul.plain b { color: var(--ink); font-weight: 600; }

footer { border-top: 1px solid var(--line); padding-block: 28px 48px; color: var(--muted); font-size: 14px; display: flex; gap: 8px 24px; flex-wrap: wrap; justify-content: space-between; }

.doc { max-width: 720px; padding-block: 32px 72px; }
.doc h1 { font-size: clamp(32px, 5vw, 46px); max-width: none; }
.doc h2 { font-size: 22px; margin-top: 36px; max-width: none; }
.doc p, .doc li { color: var(--muted); }
.doc b { color: var(--ink); }
.center { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; }