/* Covey Learn. TUG parent foundation with Covey accents.
   Tokens from ~/tug-ops/design/tokens.json (2026-07-05). */
:root {
  --navy: #1B2A4A;
  --navy-deep: #14203A;
  --amber: #D97706;
  --amber-soft: #F5E7D3;
  --evergreen: #112521;
  --summit: #475853;
  --spruce: #7B8B85;
  --slate: #BFBDB8;
  --cream: #F5F3EF;
  --white: #FFFFFF;
  --green-ok: #2F6B4F;
  --red-err: #9B3B2E;
  --max-w: 960px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--evergreen);
  background: var(--cream);
}

h1, h2, h3, h4, .nav, .btn, .chip, .crumbs, .meta {
  font-family: 'Jura', 'Avenir Next', sans-serif;
  line-height: 1.25;
}
h1 { font-size: clamp(1.9rem, 5vw, 2.9rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; margin-bottom: 0.8rem; }
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.4rem; }

a { color: var(--navy); }
img { max-width: 100%; }

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 22px; }

/* Nav */
header { background: var(--navy); position: sticky; top: 0; z-index: 10; }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 22px; max-width: var(--max-w); margin: 0 auto;
}
.nav .logo {
  color: var(--cream); text-decoration: none; font-size: 1.02rem;
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700;
  display: flex; align-items: center; gap: 10px;
}
.nav .logo img { width: 26px; height: 26px; }
.nav .logo span { color: var(--amber); }
.nav .navlink {
  color: var(--slate); text-decoration: none; font-size: 0.82rem;
  letter-spacing: 0.05em; text-transform: uppercase;
}
.nav .navlink:hover { color: var(--amber); }

/* Hero */
.hero { background: var(--navy); color: var(--cream); padding: 72px 0 64px; }
.hero .kicker {
  color: var(--amber); font-family: 'Jura', sans-serif; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.78rem; margin-bottom: 16px;
}
.hero p.sub { color: var(--slate); max-width: 640px; margin: 20px 0 0; font-size: 1.05rem; }

/* Sections */
section { padding: 56px 0; }
.lede { max-width: 640px; color: var(--summit); margin-bottom: 2rem; }

/* Track cards (home) */
.tracks { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; }
.track-card {
  background: var(--white); border-top: 3px solid var(--amber);
  border-radius: 0 0 4px 4px; padding: 26px 24px;
  display: flex; flex-direction: column; gap: 10px;
  text-decoration: none; color: var(--evergreen);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.track-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(27,42,74,0.12); }
.track-card .tno {
  font-family: 'Jura', sans-serif; font-weight: 700; font-size: 0.75rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber);
}
.track-card p { color: var(--summit); font-size: 0.93rem; }
.track-card .meta { color: var(--spruce); font-size: 0.8rem; letter-spacing: 0.04em; margin-top: auto; }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }

/* Progress ring */
.ring { width: 44px; height: 44px; flex: none; }
.ring circle.bg { fill: none; stroke: #E8E4DC; stroke-width: 4; }
.ring circle.fg {
  fill: none; stroke: var(--amber); stroke-width: 4; stroke-linecap: round;
  transform: rotate(-90deg); transform-origin: center;
  transition: stroke-dashoffset 0.4s ease;
}
.ring text {
  font-family: 'Jura', sans-serif; font-weight: 700; font-size: 11px;
  fill: var(--summit); text-anchor: middle; dominant-baseline: central;
}

/* Track page: modules and lesson list */
.module { margin-bottom: 40px; }
.module > p { color: var(--summit); font-size: 0.95rem; max-width: 640px; margin-bottom: 14px; }
.lesson-list { list-style: none; }
.lesson-list li { border-bottom: 1px solid #E4E0D7; }
.lesson-list a {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 6px; text-decoration: none; color: var(--evergreen);
}
.lesson-list a:hover { background: #EFECE5; }
.lesson-list .lno {
  font-family: 'Jura', sans-serif; font-weight: 700; font-size: 0.8rem;
  color: var(--spruce); min-width: 2.2em;
}
.lesson-list .ltitle { flex: 1; font-size: 0.98rem; }
.lesson-list .lmin { color: var(--spruce); font-size: 0.8rem; font-family: 'Jura', sans-serif; }
.done-mark {
  width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--slate);
  flex: none; display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; color: transparent;
}
.done-mark.passed { background: var(--green-ok); border-color: var(--green-ok); color: var(--white); }
.done-mark.read { border-color: var(--amber); }
.track-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }

/* Breadcrumbs */
.crumbs { font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; margin: 26px 0 8px; color: var(--spruce); }
.crumbs a { color: var(--spruce); text-decoration: none; }
.crumbs a:hover { color: var(--amber); }

/* Lesson article */
article.lesson { max-width: 720px; margin: 0 auto; padding: 10px 0 40px; }
article.lesson h1 { margin: 6px 0 4px; }
.meta { color: var(--spruce); font-size: 0.82rem; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 26px; }
.section { margin-bottom: 34px; }
.section p { margin-bottom: 1em; }
.section ul { margin: 0.4em 0 1em 1.3em; }
.section li { margin-bottom: 0.5em; font-size: 0.97rem; }
strong.hl { color: var(--navy); }

.chip {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 3px; margin-bottom: 8px;
  background: #E9E5DC; color: var(--summit);
}
.chip.tip, .chip.example { background: var(--amber-soft); color: #8A4B04; }
.chip.warning { background: #F0DCD6; color: var(--red-err); }
.chip.bridge { background: #DDE3EF; color: var(--navy); }
.chip.scenario { background: #DFE8E2; color: var(--green-ok); }

.callout {
  border-left: 3px solid var(--amber); background: var(--white);
  padding: 16px 18px; margin: 14px 0; font-size: 0.93rem;
  color: var(--summit); border-radius: 0 4px 4px 0;
}
.bridge-panel {
  background: var(--navy); color: var(--cream); border-radius: 6px;
  padding: 24px 26px; margin: 10px 0;
}
.bridge-panel h3 { color: var(--amber); }
.bridge-panel p { color: #C9CFDD; font-size: 0.95rem; }
.bridge-panel strong.hl { color: var(--cream); }
.bridge-panel .callout { background: var(--navy-deep); color: var(--slate); border-color: var(--amber); }

.tool-note {
  border: 1px dashed var(--slate); border-radius: 4px; padding: 16px 18px;
  font-size: 0.9rem; color: var(--summit); background: #EFECE5; margin-top: 10px;
}

/* Comparison table */
.tbl-scroll { overflow-x: auto; margin: 12px 0; }
table.cmp { border-collapse: collapse; width: 100%; background: var(--white); font-size: 0.9rem; }
table.cmp th, table.cmp td { border: 1px solid #E4E0D7; padding: 9px 12px; text-align: left; }
table.cmp th { font-family: 'Jura', sans-serif; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; background: var(--navy); color: var(--cream); }
table.cmp td:first-child { font-weight: 700; }

/* Chart bars */
.chart { margin: 14px 0; }
.chart-row { display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 10px; margin-bottom: 6px; }
.chart-row .clabel { font-family: 'Jura', sans-serif; font-size: 0.78rem; color: var(--summit); text-align: right; }
.cbar-wrap { background: #E8E4DC; border-radius: 2px; }
.cbar { height: 16px; border-radius: 2px; background: var(--navy); position: relative; min-width: 2px; }
.cbar.s1 { background: var(--amber); }
.cbar span {
  position: absolute; left: calc(100% + 8px); top: 50%; transform: translateY(-50%);
  font-family: 'Jura', sans-serif; font-size: 0.72rem; color: var(--spruce); white-space: nowrap;
}
.chart-legend { display: flex; gap: 18px; margin-bottom: 10px; font-family: 'Jura', sans-serif; font-size: 0.78rem; color: var(--summit); }
.chart-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; background: var(--navy); }
.chart-legend .k1 i { background: var(--amber); }

/* Key takeaway */
.takeaway {
  background: var(--white); border: 2px solid var(--amber); border-radius: 6px;
  padding: 22px 24px; margin: 40px 0 10px;
}
.takeaway .chip { background: var(--amber); color: var(--white); }
.takeaway p { font-size: 0.98rem; }

/* Prev / next + buttons */
.pager { display: flex; justify-content: space-between; gap: 14px; margin: 40px 0 10px; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none; font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 12px 24px; border-radius: 3px; cursor: pointer; border: 0;
}
.btn-amber { background: var(--amber); color: var(--white); }
.btn-amber:hover { background: #B96504; }
.btn-navy { background: var(--navy); color: var(--cream); }
.btn-navy:hover { background: var(--navy-deep); }
.btn-ghost { color: var(--navy); border: 1px solid var(--slate); background: transparent; }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* Quiz */
.quiz-q { background: var(--white); border-radius: 6px; padding: 22px 24px; margin-bottom: 20px; }
.quiz-q h3 { font-family: 'Merriweather', serif; font-size: 1.02rem; margin-bottom: 14px; }
.opt { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid #E4E0D7; border-radius: 4px; margin-bottom: 8px; cursor: pointer; font-size: 0.94rem; }
.opt:hover { border-color: var(--amber); }
.opt input { margin-top: 5px; accent-color: var(--amber); }
.opt.correct { border-color: var(--green-ok); background: #EDF4EF; }
.opt.incorrect { border-color: var(--red-err); background: #F6ECEA; }
.explain { display: none; font-size: 0.88rem; color: var(--summit); border-left: 3px solid var(--slate); padding: 8px 14px; margin-top: 10px; }
.explain.show { display: block; }
.explain.good { border-color: var(--green-ok); }
.explain.bad { border-color: var(--red-err); }
.quiz-result { display: none; background: var(--navy); color: var(--cream); border-radius: 6px; padding: 26px 28px; margin: 26px 0; }
.quiz-result.show { display: block; }
.quiz-result .score { font-family: 'Jura', sans-serif; font-weight: 700; font-size: 2rem; color: var(--amber); }
.quiz-result p { color: var(--slate); font-size: 0.95rem; margin-top: 6px; }
.quiz-actions { margin: 10px 0 40px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Footer */
footer { background: var(--navy); color: var(--slate); padding: 36px 0; font-size: 0.85rem; margin-top: 40px; }
footer a { color: var(--amber); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .fine { margin-top: 10px; font-size: 0.78rem; color: var(--spruce); }

@media (max-width: 640px) {
  .hero { padding: 52px 0 46px; }
  .chart-row { grid-template-columns: 76px 1fr; }
  .cbar span { display: none; }
  .pager .btn { flex: 1; text-align: center; }
}