/* Clear Path Learning Systems — hand-written, no framework.
   Serif display over a sans body, per the house conventions. */

:root {
  --ink: #1a1a19;
  --ink-soft: #55534d;
  --paper: #fdfcf9;
  --paper-2: #f4f1ea;
  --rule: #ddd8cc;
  --accent: #2f5d50;
  --accent-soft: #e7efec;
  --live: #2f5d50;
  --radius: 6px;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ece8df;
    --ink-soft: #a49f93;
    --paper: #14140f;
    --paper-2: #1d1c17;
    --rule: #34322a;
    --accent: #8fc0ae;
    --accent-soft: #1e2a25;
    --live: #8fc0ae;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

/* ── masthead ── */

.masthead {
  max-width: 52rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.6rem;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.22rem;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}
.masthead nav { display: flex; gap: 1.4rem; }
.masthead nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .93rem;
}
.masthead nav a:hover, .masthead nav a.on { color: var(--accent); }

/* ── type ── */

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  margin: 2.6rem 0 .6rem;
}
h2.rule {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.32rem;
  margin: 3rem 0 1rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1.03rem; margin: 1.6rem 0 .3rem; }
p { margin: .7rem 0; }
a { color: var(--accent); }

.lede { font-size: 1.16rem; color: var(--ink-soft); margin-top: 0; }
.intro { max-width: 40rem; }
.updated {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

ul.plain { list-style: none; padding: 0; margin: .8rem 0; }
ul.plain li {
  padding: .5rem 0;
  border-bottom: 1px solid var(--rule);
}
ul.plain li:last-child { border-bottom: 0; }

/* ── app grid ── */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.card h3 { font-family: var(--serif); font-size: 1.2rem; margin: 0; font-weight: 400; }
.card h3 a { text-decoration: none; color: var(--ink); }
.card h3 a:hover { color: var(--accent); }
.card__sub { color: var(--ink-soft); font-size: .93rem; margin: 0; }
.card__summary { font-size: .93rem; margin: .3rem 0 0; }

.badge {
  display: inline-block;
  align-self: flex-start;
  margin-top: .7rem;
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  border-radius: 100px;
  padding: .22rem .7rem;
}
.badge--live { color: var(--live); border-color: var(--live); background: var(--accent-soft); }

.btn {
  display: inline-block;
  margin-top: .8rem;
  padding: .6rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  text-decoration: none;
  font-size: .95rem;
}
.btn:hover { background: var(--accent-soft); }

/* ── footer ── */

.foot {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.6rem 1.5rem 3rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: .87rem;
  display: flex;
  flex-wrap: wrap;
  gap: .2rem 1.5rem;
  justify-content: space-between;
}
.foot p { margin: 0; }

/* ── shared-chart landing ── */
.rec { border-collapse: collapse; width: 100%; margin: .5rem 0 1.5rem; }
.rec th, .rec td {
  text-align: left; padding: .55rem .5rem;
  border-bottom: 1px solid var(--rule); vertical-align: top;
}
.rec th { width: 11rem; color: var(--ink-soft); font-weight: 400; }
.note { color: var(--ink-soft); font-size: .93rem; }
.copyfield {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--rule);
  border-radius: var(--radius); background: var(--paper-2); color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem;
}
.linkish {
  background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--accent); font: inherit; font-size: .93rem; text-decoration: underline;
}