/* Styled after ti.to/home: white pages, Myriad, big centred headings that mix
   light and bold, a dark-over-blue rule, plain blue links, a dark footer. */
:root {
  --blue: #157dfb;
  --blue-dark: #0b5fc7;
  --ink: #222;
  --ink-2: #4a4a4a;
  --muted: #6b7380;
  --line: #dbe4f0;
  --tint: #f3f7fd;
  --dark: #222;
  --font: myriad-pro, "Myriad Pro", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { background: #fff; color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.55; margin: 0; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); text-decoration: underline; }
img { height: auto; max-width: 100%; }
.wrap { margin: 0 auto; max-width: 1110px; padding: 0 16px; }

/* One-row navigation */
.nav { border-bottom: 1px solid var(--line); }
.nav-main { align-items: center; display: flex; gap: 32px; height: 76px; }
.nav-main .opt { font-size: 17px; }
.logo { align-items: center; color: var(--ink); display: flex; font-size: 21px; font-weight: 600; gap: 12px; }
.logo:hover { color: var(--ink); text-decoration: none; }
.logo span { border-left: 1px solid var(--line); padding-left: 12px; }
.nav-gap { flex: 1; }
.btn { border: 1px solid var(--blue); border-radius: 2px; font-size: 17px; padding: 6px 24px; }
.btn-line { background: #fff; color: var(--blue); }
.btn-line:hover { background: var(--tint); color: var(--blue); text-decoration: none; }

/* Search */
.search { display: flex; margin: 0 auto; max-width: 640px; }
.search input { border: 1px solid #bcd8fb; border-radius: 2px 0 0 2px; color: var(--ink); flex: 1; font: inherit; font-size: 17px; min-width: 0; padding: 12px 16px; }
.search input:focus { border-color: var(--blue); outline: 3px solid rgba(21, 125, 251, .25); outline-offset: 0; }
.search button { background: var(--blue); border: 1px solid var(--blue); border-radius: 0 2px 2px 0; color: #fff; cursor: pointer; font: inherit; font-size: 17px; padding: 0 24px; }
.search button:hover { background: var(--blue-dark); }
.search button:focus-visible { outline: 3px solid rgba(21, 125, 251, .4); }
.bar-search { padding-top: 32px; }

/* The ti.to rule: a short dark bar with a blue one under it */
.rule { background: var(--dark); border: 0; box-shadow: 0 3px 0 var(--blue); height: 4px; margin: 56px auto 0; width: 88px; }
.rule-left { margin: 24px 0 40px; }

.hero { padding: 80px 16px 24px; text-align: center; }
.hero h1 { font-size: 56px; font-weight: 300; letter-spacing: -.5px; line-height: 1.1; margin: 0 0 40px; }
.hero h1 b { font-weight: 700; }

main.wrap { padding-bottom: 96px; padding-top: 56px; }

/* Columns of links (home page and parent collections) */
.columns { display: grid; gap: 48px 64px; grid-template-columns: repeat(3, 1fr); }
.columns-2 { grid-template-columns: repeat(2, 1fr); margin-top: 16px; }
.column h2 { font-size: 23px; font-weight: 700; line-height: 1.2; margin: 0 0 8px; }
.column h2 a { color: var(--ink); }
.column > p { color: var(--ink-2); margin: 0 0 16px; }
.links { list-style: none; margin: 0 0 16px; padding: 0; }
.links li { border-top: 1px solid var(--line); padding: 10px 0; }
.links li:last-child { border-bottom: 1px solid var(--line); }
.links-big { margin: 0 auto 48px; max-width: 760px; }
.links-big li { padding: 16px 0; }
.links-big a { font-size: 19px; }
.links-big span { color: var(--muted); display: block; font-size: 15px; }
.more { font-weight: 600; }

.crumbs { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--blue); }
.page-head { margin-bottom: 56px; text-align: center; }
.page-head + .links-big, .page-head + .columns { margin-top: 0; }
main > .crumbs { text-align: center; }
.page-head h1 { font-size: 52px; font-weight: 700; letter-spacing: -.5px; line-height: 1.1; margin: 0 0 12px; }
.page-head p { color: var(--ink-2); font-size: 20px; font-weight: 300; margin: 0; }
.page-head .rule { margin-top: 40px; }

/* Article */
.article { margin: 0 auto; max-width: 740px; }
.article h1 { font-size: 44px; font-weight: 700; letter-spacing: -.3px; line-height: 1.12; margin: 0 0 12px; }
.lede { color: var(--ink-2); font-size: 20px; font-weight: 300; line-height: 1.4; margin: 0 0 12px; }
.meta { color: var(--muted); font-size: 15px; margin: 0; }
.article-body p { margin: 0 0 16px; }
.article-body h2 { font-size: 26px; font-weight: 700; line-height: 1.2; margin: 48px 0 12px; }
.article-body h3 { font-size: 20px; margin: 32px 0 10px; }
.article-body h4 { font-size: 17px; margin: 24px 0 8px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 24px; }
.article-body li > div > p { margin: 0 0 6px; }
.article-body hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.article-body code { background: var(--tint); border-radius: 2px; font-size: .85em; padding: 1px 5px; }
.article-body pre { background: var(--dark); border-radius: 2px; color: #fff; overflow-x: auto; padding: 20px; }
.article-body pre code { background: none; color: inherit; padding: 0; }
.article-body table { border-collapse: collapse; display: block; margin: 0 0 16px; overflow-x: auto; }
.article-body td { border: 1px solid var(--line); padding: 8px 12px; vertical-align: top; }
.article-body .anchor { display: block; position: relative; top: -16px; visibility: hidden; }
.intercom-interblocks-align-center { text-align: center; }
/* Callouts keep the organizer's meaning (a note) but not Intercom's tinted box. */
.intercom-interblocks-callout { background: var(--tint) !important; border: 0 !important; border-left: 4px solid var(--blue) !important; margin: 0 0 20px; padding: 16px 20px; }
.intercom-interblocks-callout p:last-child { margin-bottom: 0; }
.intercom-interblocks-image { margin: 12px 0 24px; }
.intercom-interblocks-image img { box-shadow: 0 2px 18px rgba(0, 0, 0, .12); }
.intercom-interblocks-video { margin: 0 0 24px; }
.intercom-interblocks-video iframe { aspect-ratio: 16 / 9; border: 0; height: auto; width: 100%; }

.results { margin: 0 auto; max-width: 760px; }
.results h2 { font-size: 23px; margin: 0 0 16px; }
.results .links a { font-size: 19px; }
.results .links span { color: var(--muted); display: block; font-size: 15px; }
.note { color: var(--muted); text-align: center; }
.missing { text-align: center; }
.missing h1 { font-size: 44px; margin: 0 0 12px; }
.missing p { color: var(--ink-2); }

.foot { background: var(--dark); color: #ccc; font-size: 15px; padding: 56px 0; }
.foot-row { align-items: center; display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; }
.foot ul { display: flex; flex-wrap: wrap; gap: 8px 24px; list-style: none; margin: 0; padding: 0; }
.foot a { color: #fff; }
.foot a:hover { color: #bcd8fb; }

@media (max-width: 860px) {
  .columns, .columns-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .nav-main { gap: 16px; height: 64px; }
  .nav-main .opt { display: none; }
  .btn { font-size: 16px; padding: 5px 14px; }
  .hero { padding-top: 48px; }
  .hero h1 { font-size: 40px; }
  .page-head h1 { font-size: 38px; }
  .article h1 { font-size: 32px; }
  .lede { font-size: 18px; }
  .search button { padding: 0 14px; }
}