:root {
  --ink: #0d0d0d;
  --muted: #6b6b6b;
  --rule: #e5e5e5;
  --paper: #ffffff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
strong { font-weight: 600; }
header, footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 16px;
  font-size: 14px;
}
header .mark { text-decoration: none; letter-spacing: 0.3em; font-family: "EB Garamond", Georgia, serif; font-size: 17px; }
footer { color: var(--muted); border-top: 1px solid var(--rule); margin-top: auto; flex-wrap: wrap; gap: 8px 20px; }
footer nav { display: flex; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover, header a:hover { text-decoration: underline; }

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 16px 80px;
}
.hero img { width: 88px; height: auto; margin-bottom: 20px; }
h1, h2, .serif { font-family: "EB Garamond", Georgia, serif; font-weight: 500; }
.hero h1 { font-size: clamp(40px, 8vw, 60px); line-height: 1.1; margin: 0; letter-spacing: -0.01em; }
.hero p { font-family: "EB Garamond", Georgia, serif; font-size: 20px; color: var(--muted); margin: 10px 0 0; max-width: 34rem; }
.hero .how { font-family: inherit; font-size: 15px; margin-top: 36px; max-width: 30rem; }
.signup {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 32px;
  width: 100%;
  max-width: 440px;
  padding: 5px 5px 5px 20px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: border-color 0.15s;
}
.signup:focus-within { border-color: var(--muted); }
.signup input {
  flex: 1;
  min-width: 0;
  height: 40px;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}
.signup input:focus { outline: none; }
.signup input::placeholder { color: #a3a3a3; }
.signup button {
  flex-shrink: 0;
  height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.signup button:hover { opacity: 0.85; }
.signup button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.hero .note { font-family: inherit; font-size: 13px; margin-top: 14px; }
.hp { position: absolute; left: -9999px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.pill {
  display: inline-block;
  margin-top: 28px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
}

.doc { max-width: 680px; width: 100%; margin: 0 auto; padding: 32px 16px 64px; }
.doc h1 { font-size: 40px; margin: 0 0 4px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 24px; margin: 36px 0 8px; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 6px 0; }