/* Cesta's pages: a notebook sheet, ink and paper. No brand colour, like the app (D-148). */

:root {
  --paper: #fbf8f1;
  --sheet: #ffffff;
  --ink: #1d1d1f;
  --muted: #5f5b53;
  --rule: #e6dfd0;
  --margin: #e8b4ae;
  --note: #f4efe2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16150f;
    --sheet: #1f1e19;
    --ink: #f1ede4;
    --muted: #a8a293;
    --rule: #34312a;
    --margin: #6e3e3a;
    --note: #2a2821;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}

.sheet {
  max-width: 720px;
  margin: 24px auto 48px;
  padding: 32px 28px 40px 44px;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: 14px;
  /* The red margin line of a notebook page. */
  background-image: linear-gradient(to right, transparent 26px, var(--margin) 26px, var(--margin) 27px, transparent 27px);
}

@media (max-width: 760px) {
  .sheet { margin: 0; border-radius: 0; border-left: 0; border-right: 0; padding: 24px 16px 32px 36px;
    background-image: linear-gradient(to right, transparent 20px, var(--margin) 20px, var(--margin) 21px, transparent 21px); }
}

header.top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

header.top a { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 700; font-size: 20px; }
header.top img { width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--rule); }

h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 32px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 6px; }

a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }

.muted { color: var(--muted); }
.updated { color: var(--muted); font-style: italic; margin-bottom: 20px; }

.note {
  background: var(--note);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0 0 16px;
}

dl.faq dt { font-weight: 700; margin-top: 18px; }
dl.faq dd { margin: 4px 0 0; }

.hero { text-align: center; padding: 16px 0 8px; }
.hero img { width: 112px; height: 112px; border-radius: 25px; border: 1px solid var(--rule); }
.hero h1 { font-size: 36px; margin-top: 16px; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 30em; margin: 0 auto 20px; }

.soon {
  display: inline-block;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 8px 18px;
  font-weight: 700;
}

.features { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 14px; }
.features li { background: var(--note); border-radius: 12px; padding: 14px 16px; margin: 0; }
.features strong { display: block; }

footer.bottom {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

footer.bottom a { color: var(--muted); }