/* ============================================================
   Footprint Academy — styles
   Dark trading-terminal aesthetic
   ============================================================ */
:root {
  --bg-0: #07090d;
  --bg-1: #0c1117;
  --bg-2: #131a23;
  --bg-3: #19222e;
  --line: #1c2632;
  --line-2: #2a3744;

  --text-0: #e6edf3;
  --text-1: #a8b3c1;
  --text-2: #6c7986;
  --text-3: #4a5563;

  --buy: #00d68f;       /* aggressive buyers / positive delta */
  --buy-dim: rgba(0, 214, 143, 0.13);
  --buy-bar: #16c98d;
  --sell: #ff3b56;      /* aggressive sellers / negative delta */
  --sell-dim: rgba(255, 59, 86, 0.13);
  --sell-bar: #ff5d73;
  --cyan: #4ad8ff;
  --yellow: #f5c43a;
  --magenta: #ff5cc8;
  --orange: #ff9f1a;    /* LVN / unfinished */
  --violet: #7a8aff;

  --accent: #4ad8ff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);

  --sans: "Space Grotesk", "Inter", "Avenir Next", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --header-h: 60px;
  --sidebar-w: 312px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: radial-gradient(1200px 700px at 80% -10%, #0e1620 0%, var(--bg-0) 60%) fixed;
  color: var(--text-0);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: rgba(74, 216, 255, 0.25); }

/* ===== Scrollbars ===== */
* { scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 6px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ============================================================
   Header
   ============================================================ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  background: rgba(8, 11, 16, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  text-shadow: 0 0 18px rgba(74, 216, 255, 0.5);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-size: 16px; letter-spacing: 0.2px; }
.brand-sub { font-size: 11px; color: var(--text-2); letter-spacing: 0.4px; text-transform: uppercase; }

.header-progress {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 130px;
}
.header-progress-bar {
  flex: 1;
  height: 7px;
  background: var(--bg-3);
  border-radius: 99px;
  overflow: hidden;
  min-width: 80px;
}
.header-progress-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--buy), var(--cyan));
  border-radius: 99px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.header-progress-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-1);
  min-width: 34px;
  text-align: right;
}

.header-actions { display: flex; gap: 8px; }

.icon-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-1);
  cursor: pointer;
}
.icon-btn:hover { color: var(--text-0); border-color: var(--line-2); }

.ghost-btn {
  font-family: var(--sans);
  font-size: 13px;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--text-1);
  cursor: pointer;
  transition: all 0.15s;
}
.ghost-btn:hover { color: var(--sell); border-color: var(--sell); }

/* ============================================================
   Layout
   ============================================================ */
.layout { display: flex; align-items: flex-start; }

.sidebar {
  position: sticky;
  top: var(--header-h);
  width: var(--sidebar-w);
  flex-shrink: 0;
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: rgba(10, 14, 19, 0.5);
}
.sidebar-inner { padding: 18px 12px 60px; }
.sidebar-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 4px 10px 12px;
}
.sidebar-title { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-2); font-weight: 600; }
.sidebar-count { font-family: var(--mono); font-size: 11px; color: var(--text-3); }

.course-nav { display: flex; flex-direction: column; gap: 4px; }

.module-group { margin-bottom: 4px; }
.module-head {
  display: flex; align-items: center; gap: 9px;
  width: 100%;
  padding: 9px 10px;
  background: transparent;
  border: none;
  color: var(--text-1);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.module-head:hover { background: var(--bg-2); }
.module-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--bg-0);
  background: var(--text-2);
  border-radius: 5px;
  padding: 2px 5px;
  font-weight: 700;
  flex-shrink: 0;
}
.module-group.done .module-num { background: var(--buy); }
.module-title-txt { flex: 1; min-width: 0; }
.module-caret {
  width: 14px; height: 14px; color: var(--text-3);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.module-group.collapsed .module-caret { transform: rotate(-90deg); }
.module-group.collapsed .lesson-list { display: none; }

.lesson-list { display: flex; flex-direction: column; gap: 2px; padding: 2px 0 6px 8px; }
.lesson-link {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px 7px 9px;
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 13px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background 0.12s;
}
.lesson-link:hover { background: var(--bg-2); text-decoration: none; }
.lesson-link.active {
  background: var(--bg-3);
  color: var(--text-0);
  border-left-color: var(--cyan);
}
.lesson-tick {
  width: 17px; height: 17px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  flex-shrink: 0;
  display: grid; place-items: center;
  font-size: 11px;
  color: transparent;
}
.lesson-link.done .lesson-tick {
  background: var(--buy-dim);
  border-color: var(--buy);
  color: var(--buy);
}
.lesson-link.exam .lesson-tick { border-style: dashed; border-color: var(--yellow); }
.lesson-link.exam.done .lesson-tick { border-color: var(--buy); }
.lesson-label { flex: 1; min-width: 0; line-height: 1.35; }
.lesson-score { font-family: var(--mono); font-size: 10.5px; color: var(--text-2); }

.scrim {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 25;
}

/* ============================================================
   Content
   ============================================================ */
.content {
  flex: 1;
  min-width: 0;
  padding: 34px clamp(20px, 5vw, 64px) 120px;
  max-width: 960px;
  margin: 0 auto;
}

/* ---- Home / dashboard ---- */
.home-hero {
  padding: 30px 0 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}
.home-kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--cyan);
}
.home-hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.08;
  margin: 14px 0 12px;
  letter-spacing: -0.5px;
}
.home-hero p { font-size: 17px; color: var(--text-1); max-width: 64ch; margin: 0 0 24px; }
.home-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.stat-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 8px; }
.stat-card {
  flex: 1; min-width: 150px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .num { font-family: var(--mono); font-size: 26px; font-weight: 700; color: var(--text-0); }
.stat-card .lbl { font-size: 12.5px; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.6px; }
.stat-card.accent .num { color: var(--cyan); }

.home-modules { display: grid; gap: 14px; margin-top: 30px; }
.home-module-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.home-module-card:hover { border-color: var(--line-2); transform: translateY(-1px); }
.hmc-badge {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 10px;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 18px;
  background: var(--bg-3); color: var(--cyan);
  border: 1px solid var(--line-2);
}
.home-module-card.done .hmc-badge { background: var(--buy-dim); color: var(--buy); border-color: var(--buy); }
.hmc-body { flex: 1; min-width: 0; }
.hmc-body h3 { margin: 0 0 3px; font-size: 16px; }
.hmc-body p { margin: 0; font-size: 13px; color: var(--text-2); }
.hmc-meta { font-family: var(--mono); font-size: 12px; color: var(--text-2); text-align: right; flex-shrink: 0; }
.hmc-bar { width: 90px; height: 5px; background: var(--bg-3); border-radius: 99px; overflow: hidden; margin-top: 6px; }
.hmc-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--buy), var(--cyan)); }

/* ---- Lesson ---- */
.lesson-top { margin-bottom: 8px; }
.crumb { font-family: var(--mono); font-size: 12px; color: var(--text-2); letter-spacing: 0.3px; }
.crumb .sep { color: var(--text-3); margin: 0 7px; }
.lesson h1 {
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.15;
  margin: 8px 0 6px;
  letter-spacing: -0.4px;
}
.lesson-sub { font-size: 16px; color: var(--text-1); margin: 0 0 18px; }

.objectives {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 18px 0 28px;
}
.objectives h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--cyan); }
.objectives ul { margin: 0; padding-left: 20px; }
.objectives li { font-size: 14px; color: var(--text-1); margin: 3px 0; }

/* lesson body blocks */
.block { margin: 0 0 22px; }
.block h2 {
  font-size: 21px; margin: 36px 0 12px; letter-spacing: -0.2px;
  padding-bottom: 6px; border-bottom: 1px solid var(--line);
}
.block h3 { font-size: 17px; margin: 26px 0 8px; color: var(--text-0); }
.block p { margin: 0 0 14px; color: var(--text-1); }
.block ul, .block ol { margin: 0 0 14px; padding-left: 22px; color: var(--text-1); }
.block li { margin: 5px 0; }
.block strong { color: var(--text-0); font-weight: 600; }
.block em { color: var(--cyan); font-style: normal; }
.tag-buy { color: var(--buy); font-weight: 600; }
.tag-sell { color: var(--sell); font-weight: 600; }
code, .k {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--bg-3); padding: 1px 6px; border-radius: 5px;
  color: var(--cyan); border: 1px solid var(--line);
}

/* callouts */
.callout {
  display: flex; gap: 13px;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 20px 0;
  background: var(--bg-1);
  border: 1px solid var(--line);
}
.callout .ico { font-size: 18px; line-height: 1.4; flex-shrink: 0; }
.callout .ct { font-size: 14px; color: var(--text-1); }
.callout .ct strong { color: var(--text-0); }
.callout.note { border-left: 3px solid var(--cyan); }
.callout.tip { border-left: 3px solid var(--buy); }
.callout.warn { border-left: 3px solid var(--orange); }
.callout.key { border-left: 3px solid var(--magenta); }

/* definition box */
.defbox {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 20px 0;
}
.defbox .term { font-weight: 700; font-size: 15px; color: var(--cyan); margin-bottom: 4px; }
.defbox .def { font-size: 14.5px; color: var(--text-1); }
.defbox .formula {
  font-family: var(--mono); font-size: 14px; color: var(--text-0);
  background: var(--bg-0); border: 1px solid var(--line);
  border-radius: 6px; padding: 9px 12px; margin-top: 10px; display: inline-block;
}

/* chart figure */
figure.chart-fig {
  margin: 24px 0;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 14px 12px;
  overflow-x: auto;
}
figure.chart-fig .chart-scroll { display: flex; justify-content: center; min-width: min-content; }
figure.chart-fig figcaption {
  font-size: 12.5px; color: var(--text-2); margin-top: 12px; text-align: center;
  padding: 0 10px; line-height: 1.5;
}
figure.chart-fig figcaption b { color: var(--text-1); }

/* takeaways */
.takeaways {
  background: linear-gradient(180deg, rgba(0,214,143,0.06), transparent);
  border: 1px solid var(--line);
  border-left: 3px solid var(--buy);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 30px 0 10px;
}
.takeaways h4 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--buy); }
.takeaways ul { margin: 0; padding-left: 20px; }
.takeaways li { margin: 6px 0; color: var(--text-1); font-size: 14.5px; }

/* table */
.block table, .fp-table {
  width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px;
}
.fp-table th, .fp-table td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.fp-table th { background: var(--bg-2); color: var(--text-0); font-weight: 600; }
.fp-table td { color: var(--text-1); }
.fp-table tr:nth-child(even) td { background: rgba(255,255,255,0.012); }

/* ============================================================
   Quiz
   ============================================================ */
.quiz {
  margin-top: 44px;
  border-top: 2px solid var(--line);
  padding-top: 26px;
}
.quiz-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 6px; }
.quiz-head h2 { font-size: 20px; margin: 0; border: none; padding: 0; }
.quiz-head .qmeta { font-family: var(--mono); font-size: 12px; color: var(--text-2); }
.quiz-intro { font-size: 14px; color: var(--text-2); margin: 0 0 22px; }

.question {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
}
.question .q-num { font-family: var(--mono); font-size: 11px; color: var(--cyan); letter-spacing: 1px; text-transform: uppercase; }
.question .q-text { font-size: 16px; font-weight: 500; margin: 6px 0 16px; color: var(--text-0); }
.question .q-text code { font-weight: 400; }

.q-chart { margin: 0 0 18px; }

.choices { display: flex; flex-direction: column; gap: 9px; }
.choice {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  cursor: pointer;
  font-size: 14.5px;
  color: var(--text-1);
  text-align: left;
  transition: border-color 0.12s, background 0.12s;
  width: 100%;
}
.choice:hover:not(:disabled) { border-color: var(--text-2); background: var(--bg-3); }
.choice .letter {
  font-family: var(--mono); font-weight: 700; font-size: 13px;
  width: 24px; height: 24px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 6px;
  background: var(--bg-0); border: 1px solid var(--line-2);
  color: var(--text-1);
}
.choice .ctxt { flex: 1; padding-top: 1px; }
.choice:disabled { cursor: default; }
.choice.correct { border-color: var(--buy); background: var(--buy-dim); color: var(--text-0); }
.choice.correct .letter { background: var(--buy); color: var(--bg-0); border-color: var(--buy); }
.choice.wrong { border-color: var(--sell); background: var(--sell-dim); color: var(--text-0); }
.choice.wrong .letter { background: var(--sell); color: #fff; border-color: var(--sell); }
.choice.muted { opacity: 0.5; }

.feedback {
  margin-top: 14px;
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 14px;
  display: none;
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.feedback.show { display: block; }
.feedback .verdict { font-weight: 700; margin-bottom: 5px; display: flex; align-items: center; gap: 7px; }
.feedback.ok .verdict { color: var(--buy); }
.feedback.no .verdict { color: var(--sell); }
.feedback .explain { color: var(--text-1); }
.feedback .explain b { color: var(--text-0); }

/* ============================================================
   Footer nav
   ============================================================ */
.lesson-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.btn {
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  padding: 11px 20px; border-radius: var(--radius-sm);
  cursor: pointer; border: 1px solid var(--line-2);
  background: var(--bg-2); color: var(--text-0);
  transition: all 0.15s; display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { border-color: var(--text-2); }
.btn.primary { background: linear-gradient(180deg, var(--cyan), #2aa9d4); border-color: transparent; color: #04222c; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.success { background: linear-gradient(180deg, var(--buy), #08a86f); border-color: transparent; color: #032417; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: transparent; }

.complete-banner {
  display: none;
  align-items: center; gap: 10px;
  background: var(--buy-dim); border: 1px solid var(--buy);
  color: var(--buy); border-radius: var(--radius-sm);
  padding: 10px 16px; font-size: 14px; font-weight: 600;
  margin: 24px 0 0;
}
.complete-banner.show { display: flex; }

/* result tier badge */
.tier {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-weight: 700; font-size: 13px;
  padding: 5px 12px; border-radius: 99px;
}
.tier.sharp { color: var(--buy); background: var(--buy-dim); }
.tier.solid { color: var(--cyan); background: rgba(74,216,255,0.12); }
.tier.building { color: var(--yellow); background: rgba(245,196,58,0.12); }
.tier.needswork { color: var(--sell); background: var(--sell-dim); }

/* ============================================================
   Chart SVG internals
   ============================================================ */
.fp-svg { font-family: var(--mono); display: block; }
.fp-svg text { fill: var(--text-1); }
.legend {
  display: flex; gap: 8px 18px; flex-wrap: wrap; justify-content: center;
  margin: 14px auto 0; max-width: 680px;
  font-family: var(--mono); font-size: 11px; color: var(--text-2);
}
.legend span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; flex-shrink: 0; }

/* keep the chart itself centered; legend sits below it */
figure.chart-fig .chart-scroll { width: 100%; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .icon-btn { display: flex; }
  .sidebar {
    position: fixed; top: var(--header-h); left: 0; bottom: 0;
    z-index: 30; transform: translateX(-100%);
    transition: transform 0.25s ease; background: var(--bg-1);
    height: calc(100vh - var(--header-h));
  }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow); }
  .scrim.show { display: block; }
  .content { padding-top: 26px; }
  .brand-sub { display: none; }
}
@media (max-width: 560px) {
  .header-progress { min-width: 88px; }
  .brand-text strong { font-size: 14px; }
  .stat-card .num { font-size: 22px; }
  .question { padding: 16px; }
}

/* ============================================================
   Language toggle + course header back-link
   ============================================================ */
.lang-toggle { display: flex; gap: 2px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 2px; }
.lang-btn {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  padding: 5px 9px; border: none; background: transparent; color: var(--text-2);
  border-radius: 6px; cursor: pointer; transition: all 0.12s;
}
.lang-btn.active { background: var(--bg-3); color: var(--cyan); }
.lang-btn:hover:not(.active) { color: var(--text-0); }

.catalog-header .header-actions { margin-left: auto; }

.back-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; color: var(--text-2);
  padding: 6px 9px; border-radius: 7px; border: 1px solid transparent;
}
.back-link:hover { color: var(--text-0); background: var(--bg-2); text-decoration: none; }
.course-brand .brand-mark { font-size: 22px; }

/* ============================================================
   Catalog (homepage)
   ============================================================ */
.catalog { max-width: 1080px; }
.cat-hero { padding: 36px 0 8px; }
.cat-hero h1 { font-size: clamp(30px, 5vw, 46px); margin: 14px 0 12px; letter-spacing: -0.5px; line-height: 1.08; }
.cat-hero p { font-size: 17px; color: var(--text-1); max-width: 64ch; margin: 0; }
.cat-section-title { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-2); margin: 36px 0 16px; font-weight: 600; }
.cat-section-title.muted-title { color: var(--text-3); margin-top: 42px; }

.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.course-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-1); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
  text-decoration: none; color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.course-card:hover { border-color: var(--line-2); transform: translateY(-2px); text-decoration: none; }
.course-card.soon { opacity: 0.58; }
.course-card.soon:hover { transform: none; border-color: var(--line); }
.cc-badge {
  width: 50px; height: 50px; flex-shrink: 0; border-radius: 12px;
  display: grid; place-items: center; font-size: 24px;
  background: var(--bg-3); border: 1px solid var(--line-2);
  color: var(--accent, var(--cyan));
}
.cc-body { flex: 1; min-width: 0; }
.cc-titlerow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cc-body h3 { margin: 0; font-size: 18px; letter-spacing: -0.2px; }
.cc-tagline { margin: 4px 0 0; font-family: var(--mono); font-size: 12px; color: var(--cyan); letter-spacing: 0.3px; }
.cc-desc { margin: 11px 0 0; font-size: 13.5px; color: var(--text-1); line-height: 1.55; }
.cc-meta { display: flex; gap: 7px; flex-wrap: wrap; margin: 14px 0 0; }
.chip { font-size: 11px; font-family: var(--mono); padding: 3px 8px; border-radius: 6px; background: var(--bg-3); color: var(--text-1); border: 1px solid var(--line-2); }
.chip.ghost { background: transparent; color: var(--text-2); }
.cc-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.cc-progress { flex: 1; min-width: 0; }
.cc-bar { height: 6px; background: var(--bg-3); border-radius: 99px; overflow: hidden; }
.cc-bar span { display: block; height: 100%; border-radius: 99px; background: var(--cyan); }
.cc-progress-label { font-family: var(--mono); font-size: 11px; color: var(--text-2); display: block; margin-top: 5px; }
.cc-cta { font-size: 13px; font-weight: 600; white-space: nowrap; }
.soon-pill { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; padding: 3px 8px; border-radius: 99px; background: var(--bg-3); color: var(--text-2); border: 1px solid var(--line-2); }
.done-pill { font-family: var(--mono); font-size: 10px; padding: 3px 9px; border-radius: 99px; background: var(--buy-dim); color: var(--buy); border: 1px solid var(--buy); }
.cat-foot { margin: 38px 0 10px; font-size: 13px; max-width: 72ch; line-height: 1.6; }
.site-foot { text-align: center; padding: 28px; border-top: 1px solid var(--line); font-size: 12px; }

@media (max-width: 560px) {
  .back-link span { display: none; }
  .course-grid { grid-template-columns: 1fr; }
}

/* small util */
.muted { color: var(--text-2); }
.center { text-align: center; }
.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.55} }