/* PaperFig Query Volume — standalone branding site */
:root {
  --bg: #f6f3ee;
  --paper: #fffdf9;
  --ink: #242833;
  --muted: #5b616c;
  --line: #d9d4c8;
  --accent: #1f4d3a;
  --focus: #1f4d3a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 18px;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #163828; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.brand img { width: 40px; height: 40px; display: block; }
nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.95rem;
}
nav a:hover, nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }
main { padding: 48px 0 72px; }
h1 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 2.35rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  font-weight: 600;
}
h2 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  margin: 2.2rem 0 0.7rem;
  letter-spacing: -0.02em;
}
.lead { font-size: 1.15rem; color: var(--ink); margin: 0 0 1.2rem; }
.app-name {
  display: inline-block;
  background: #ece7dc;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.92rem;
  margin: 0 0 1.4rem;
}
.app-name strong { font-weight: 700; }
p { margin: 0 0 1rem; color: var(--ink); }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin: 0 0 0.4rem; }
.note {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 1.4rem 0;
}
.meta { color: var(--muted); font-size: 0.95rem; }
footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 0.95rem;
}
footer p { color: var(--muted); margin: 0 0 0.4rem; }
@media (max-width: 640px) {
  h1 { font-size: 1.85rem; }
  nav a { margin-left: 12px; }
  main { padding: 32px 0 56px; }
}