/* Shared by the support page and the privacy policy. Follows the device's light or dark setting. */
:root {
  color-scheme: light dark;
  --page-background: #f2f4f8;
  --card-background: #ffffff;
  --text-color: #1c2330;
  --quiet-text-color: #5b6677;
  --link-color: #0a66d8;
  --card-border: rgba(20, 40, 80, 0.08);
  --header-top: #2f7de1;
  --header-bottom: #1b4fa8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-background: #10141c;
    --card-background: #1b2230;
    --text-color: #eef1f6;
    --quiet-text-color: #a3adbd;
    --link-color: #6fb1ff;
    --card-border: rgba(255, 255, 255, 0.08);
    --header-top: #24579f;
    --header-bottom: #142f5e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page-background);
  color: var(--text-color);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--link-color); }

header {
  background: linear-gradient(180deg, var(--header-top), var(--header-bottom));
  color: #ffffff;
  text-align: center;
  padding: 44px 20px 40px;
}

header img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

header h1 { margin: 16px 0 6px; font-size: 2rem; letter-spacing: -0.01em; }
header p { margin: 0 auto; max-width: 34rem; color: rgba(255, 255, 255, 0.9); }
header a { color: #ffffff; }

main { max-width: 720px; margin: 0 auto; padding: 20px 16px 8px; }

section.card {
  background: var(--card-background);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 20px 22px;
  margin: 0 0 16px;
}

section.card h2 { margin: 0 0 10px; font-size: 1.25rem; }
section.card h3 { margin: 18px 0 4px; font-size: 1.05rem; }
section.card h3:first-of-type { margin-top: 6px; }
section.card p { margin: 0 0 10px; }
section.card p:last-child, section.card ul:last-child { margin-bottom: 0; }
section.card ul { margin: 0 0 10px; padding-left: 1.2rem; }
section.card li { margin-bottom: 6px; }

.quiet { color: var(--quiet-text-color); }

/* The line of links for reading the page in another language. */
.languages { font-size: 0.9rem; color: var(--quiet-text-color); }

a.button {
  display: inline-block;
  margin-top: 4px;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--link-color);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  a.button { color: #0b1626; }
}

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 16px 40px;
  text-align: center;
  color: var(--quiet-text-color);
  font-size: 0.9rem;
}