/* The palette of Passage and its legal pages: paper, ink, ember. */
:root {
  color-scheme: light dark;
  --paper: #f6f1e7; --ink: #2a221b; --muted: #6b5d50; --ember: #a8451f;
  --card: #eee6d6; --hairline: rgba(42, 34, 27, 0.12);
  --sans: system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1a1612; --ink: #ede4d6; --muted: #a8998a; --ember: #e08a5e;
    --card: #241e19; --hairline: rgba(237, 228, 214, 0.14);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 18px/1.65 Georgia, "Times New Roman", serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: var(--ember); text-underline-offset: 3px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 28px 0; }
.mark { color: var(--ink); text-decoration: none; font-size: 21px; letter-spacing: 0.01em; }
.mark::after { content: ""; display: inline-block; width: 7px; height: 7px; margin-left: 3px; border-radius: 50%; background: var(--ember); }
nav { display: flex; gap: 20px; font: 15px/1 var(--sans); }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--ink); }

.hero { padding: 64px 0 56px; }
h1 { font-weight: 400; font-size: clamp(36px, 7vw, 52px); line-height: 1.12; margin: 0 0 20px; letter-spacing: -0.01em; }
.lede { color: var(--muted); font-size: 20px; max-width: 32em; margin: 0; }
.eyebrow { color: var(--muted); margin: 0 0 12px; font: 15px/1.4 var(--sans); }

section { padding: 48px 0; border-top: 1px solid var(--hairline); }
h2 {
  margin: 0 0 24px; color: var(--muted); font: 600 13px/1 var(--sans);
  letter-spacing: 0.12em; text-transform: uppercase;
}

.product { background: var(--card); border-radius: 20px; padding: 32px; }
.product h3 { font-weight: 400; font-size: 32px; line-height: 1.2; margin: 0; }
.tag { color: var(--muted); margin: 4px 0 20px; font: 15px/1.4 var(--sans); }
.product p { margin: 0 0 16px; }
blockquote { margin: 24px 0; padding-left: 18px; border-left: 2px solid var(--ember); font-style: italic; font-size: 21px; line-height: 1.5; }
blockquote cite { display: block; margin-top: 6px; color: var(--muted); font: normal 15px/1.4 var(--sans); }
.soon { color: var(--muted); font-size: 16px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 24px; font: 15px/1.4 var(--sans); }

/* Titled points: three across on the home page, two across on a product's page. */
.points { display: grid; gap: 28px; margin: 0; padding: 0; list-style: none; }
.points strong { display: block; font-weight: 400; font-size: 21px; margin-bottom: 4px; }
.points span { color: var(--muted); }

/* App screenshots, each with its line under it. */
.shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 20px; margin: 0; }
.shots figure { margin: 0; }
.shots img {
  display: block; width: 100%; height: auto; border-radius: 22px;
  border: 1px solid var(--hairline); background: var(--card);
}
.shots figcaption { margin-top: 12px; color: var(--muted); font: 15px/1.45 var(--sans); }

details { border-bottom: 1px solid var(--hairline); }
details:first-of-type { border-top: 1px solid var(--hairline); }
summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; position: relative; font-size: 19px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 16px; color: var(--muted); font: 22px/1 var(--sans); }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 20px; color: var(--muted); }

/* Policies: running text with plain headings. */
.prose h2 { margin: 40px 0 8px; color: var(--ink); font: 400 22px/1.3 Georgia, "Times New Roman", serif; letter-spacing: 0; text-transform: none; }
.prose p, .prose li { margin: 0 0 14px; }
.prose ul { padding-left: 22px; margin: 0 0 14px; }
.updated { color: var(--muted); font: 15px/1.4 var(--sans); margin: 0 0 32px; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: 12px 28px; margin: 0; }
dt { color: var(--muted); font: 15px/1.75 var(--sans); }
dd { margin: 0; }

footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px;
  padding: 28px 0 56px; border-top: 1px solid var(--hairline);
  color: var(--muted); font: 14px/1.5 var(--sans);
}
footer a { color: var(--muted); }
footer nav { gap: 16px; font-size: 14px; }

@media (min-width: 640px) {
  .points { grid-template-columns: repeat(3, 1fr); }
  .points.two { grid-template-columns: repeat(2, 1fr); gap: 32px 40px; }
  .shots { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 520px) {
  .hero { padding: 40px 0 40px; }
  .product { padding: 24px; }
  nav { gap: 14px; }
  dl { grid-template-columns: 1fr; gap: 0; }
  dd { margin-bottom: 14px; }
}