/* Cap BMPM — design tokens
   encre marine #0A1C2E · écume #F2F4F1 · rouge signal #D93425
   laiton #B98A2F · bleu passerelle #27506F */

:root {
  --ink: #0A1C2E;
  --ink-soft: #16324B;
  --foam: #F2F4F1;
  --foam-deep: #E4E8E3;
  --signal: #D93425;
  --brass: #B98A2F;
  --bridge: #27506F;
  --line: rgba(10, 28, 46, 0.14);
  --display: "Saira Condensed", sans-serif;
  --body: "Public Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--foam);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; width: 100%; max-width: 1060px; margin: 0 auto; padding: 0 24px 80px; }

a { color: var(--bridge); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--signal); }
:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

.mono { font-family: var(--mono); }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px;
  background: var(--ink);
  color: var(--foam);
  border-bottom: 3px solid var(--signal);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--foam); }
.brand-text { font-family: var(--display); font-weight: 600; font-size: 1.3rem; letter-spacing: 0.14em; }
.brand-text strong { color: var(--signal); font-weight: 800; }
.brand-flame {
  width: 12px; height: 20px; border-radius: 50% 50% 50% 50% / 62% 62% 38% 38%;
  background: linear-gradient(180deg, var(--signal), var(--brass));
  transform: rotate(-6deg);
}
.nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav a { color: rgba(242, 244, 241, 0.82); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: #fff; }
.nav a.active { color: #fff; box-shadow: 0 3px 0 var(--signal); }
.inline-form { display: inline; }

/* ---------- buttons ---------- */
.btn-solid, .btn-ghost {
  display: inline-block; font-family: var(--body); font-weight: 600; font-size: 0.95rem;
  padding: 10px 20px; border-radius: 4px; cursor: pointer; text-decoration: none;
  border: 2px solid transparent; transition: transform 0.12s ease, background 0.12s ease;
}
.btn-solid { background: var(--signal); color: #fff; border-color: var(--signal); }
.btn-solid:hover { background: #B92A1D; color: #fff; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-ghost:hover { color: var(--signal); }
.topbar .btn-ghost { color: rgba(242,244,241,0.85); border-color: rgba(242,244,241,0.4); font-size: 0.9rem; padding: 7px 14px; }
.topbar .btn-solid { padding: 8px 16px; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 32px; align-items: center;
  padding: 72px 0 48px;
}
.eyebrow {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brass); margin-bottom: 14px;
}
.hero-title {
  font-family: var(--display); font-weight: 800; font-size: clamp(2.4rem, 5.4vw, 4rem);
  line-height: 1.02; text-transform: uppercase; letter-spacing: 0.01em;
}
.hero-accent { color: var(--signal); }
.hero-sub { margin-top: 20px; max-width: 46ch; color: var(--ink-soft); }
.hero-actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- course line (signature) ---------- */
.course-svg { width: 100%; height: auto; }
.course-line {
  fill: none; stroke: var(--bridge); stroke-width: 2.5; stroke-dasharray: 7 6; stroke-linecap: round;
}
.course-line-bg { stroke: var(--line); stroke-dasharray: 7 6; }
.course-line-fill { stroke: var(--signal); stroke-width: 4; }
.course-dot { fill: var(--ink); }
.course-dot.end { fill: var(--signal); }
.course-label { font-family: var(--mono); font-size: 13px; fill: var(--ink-soft); }
.course-label-end { fill: var(--signal); font-weight: 600; }

/* ---------- stats band ---------- */
.stats-band {
  display: flex; gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin: 24px 0 56px;
}
.stat { flex: 1; padding: 22px 8px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-num { display: block; font-family: var(--display); font-weight: 800; font-size: 2.2rem; color: var(--ink); }
.stat-label { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }

/* ---------- pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar { border-left: 3px solid var(--brass); padding-left: 18px; }
.pillar h2 { font-family: var(--display); font-weight: 700; font-size: 1.35rem; text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 8px; }
.pillar p { color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- auth ---------- */
.auth-wrap { display: flex; justify-content: center; padding: 64px 0; }
.auth-card {
  width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line);
  border-top: 4px solid var(--signal); border-radius: 6px; padding: 36px;
}
.auth-card h1 { font-family: var(--display); font-weight: 700; font-size: 2rem; text-transform: uppercase; margin-bottom: 18px; }
.form label { display: block; font-weight: 600; font-size: 0.9rem; margin: 16px 0 6px; }
.form .hint { font-weight: 400; color: var(--ink-soft); }
.form input {
  width: 100%; padding: 11px 12px; font: inherit; border: 1.5px solid var(--line); border-radius: 4px;
  background: var(--foam);
}
.form input:focus { border-color: var(--bridge); outline: none; background: #fff; }
.form button { margin-top: 24px; }
.auth-alt { margin-top: 20px; font-size: 0.92rem; color: var(--ink-soft); }
.alert {
  background: #FBEAE8; border: 1px solid var(--signal); color: #8F1F15;
  border-radius: 4px; padding: 10px 14px; font-size: 0.92rem; margin-bottom: 6px;
}

/* ---------- page structure ---------- */
.page-head { padding: 48px 0 24px; }
.page-head h1 { font-family: var(--display); font-weight: 800; font-size: clamp(2rem, 4vw, 3rem); text-transform: uppercase; }
.page-sub { color: var(--ink-soft); max-width: 62ch; margin-top: 10px; }
.section-title {
  font-family: var(--display); font-weight: 700; font-size: 1.3rem; text-transform: uppercase;
  letter-spacing: 0.03em; margin: 26px 0 14px; padding-bottom: 6px; border-bottom: 2px solid var(--brass);
  display: inline-block;
}

/* ---------- bridge dashboard ---------- */
.bridge { background: var(--ink); border-radius: 8px; padding: 28px 28px 20px; color: var(--foam); }
.bridge .course-label { fill: rgba(242,244,241,0.6); }
.bridge .course-label-end { fill: #F09A90; }
.bridge .course-dot { fill: var(--foam); }
.bridge .course-dot.end { fill: var(--signal); }
.bridge .course-line-bg { stroke: rgba(242,244,241,0.22); }
.bridge-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; border-top: 1px solid rgba(242,244,241,0.15); padding-top: 18px; }
.meta-block { flex: 1; min-width: 130px; }
.meta-num { display: block; font-size: 1.7rem; font-weight: 600; color: #fff; }
.meta-label { font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(242,244,241,0.65); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.list { list-style: none; margin-bottom: 16px; }
.list-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--line);
}
.list-row a { text-decoration: none; font-weight: 500; }
.tag {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 3px; background: var(--foam-deep); color: var(--ink-soft); white-space: nowrap;
}
.tag-done { background: #DDEEDD; color: #1D5B2F; }
.tag-warn { background: #F7E8C8; color: #7A5A14; }
.empty { color: var(--ink-soft); padding: 12px 0; }

/* ---------- cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 20px; text-decoration: none; color: var(--ink);
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--bridge); color: var(--ink); }
.card-top { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.card h3 { font-family: var(--display); font-weight: 700; font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.01em; margin-bottom: 6px; }
.card p { font-size: 0.9rem; color: var(--ink-soft); }
.lesson-group { margin-bottom: 18px; }

/* ---------- lesson page ---------- */
.lesson-body { max-width: 720px; }
.lesson-body h2 {
  font-family: var(--display); font-weight: 700; font-size: 1.5rem; text-transform: uppercase;
  margin: 34px 0 12px; color: var(--ink);
}
.lesson-body h3 { font-size: 1.05rem; margin: 22px 0 8px; }
.lesson-body p { margin-bottom: 14px; }
.lesson-body ul, .lesson-body ol { margin: 0 0 14px 22px; }
.lesson-body li { margin-bottom: 6px; }
.lesson-body table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; font-size: 0.92rem; }
.lesson-body th, .lesson-body td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.lesson-body th { background: var(--ink); color: var(--foam); font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
.lesson-body .callout {
  border-left: 4px solid var(--brass); background: #fff; padding: 14px 18px; margin: 18px 0; border-radius: 0 4px 4px 0;
}
.lesson-footer { display: flex; gap: 14px; align-items: center; margin: 40px 0 24px; flex-wrap: wrap; }
.lesson-nav { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 18px; font-size: 0.92rem; }

/* ---------- quiz ---------- */
.quiz-app { max-width: 680px; }
.quiz-progress { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass); margin-bottom: 10px; }
.quiz-question { font-family: var(--display); font-weight: 700; font-size: 1.6rem; margin-bottom: 22px; }
.quiz-choices { display: grid; gap: 10px; }
.quiz-choice {
  text-align: left; font: inherit; font-weight: 500; padding: 14px 18px; cursor: pointer;
  background: #fff; border: 1.5px solid var(--line); border-radius: 6px;
  transition: border-color 0.1s ease, transform 0.1s ease;
}
.quiz-choice:hover { border-color: var(--signal); transform: translateX(3px); }
.quiz-score {
  background: var(--ink); color: var(--foam); border-radius: 8px; padding: 26px; text-align: center; margin-bottom: 28px;
  border-bottom: 4px solid var(--signal);
}
.quiz-score.good { border-bottom-color: #3F9B58; }
.quiz-score-num { font-size: 3rem; font-weight: 600; }
.quiz-score-label { color: rgba(242,244,241,0.75); }
.quiz-review { display: grid; gap: 14px; margin-bottom: 28px; }
.review-item { background: #fff; border: 1px solid var(--line); border-left-width: 4px; border-radius: 4px; padding: 14px 18px; }
.review-item.ok { border-left-color: #3F9B58; }
.review-item.ko { border-left-color: var(--signal); }
.review-q { font-weight: 600; margin-bottom: 6px; }
.review-a { font-size: 0.92rem; margin-bottom: 4px; }
.review-explain { font-size: 0.88rem; color: var(--ink-soft); }
.quiz-actions { display: flex; gap: 14px; }

/* ---------- results ---------- */
.results-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); }
.results-table th {
  font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--ink); color: var(--foam); text-align: left; padding: 10px 16px;
}
.results-table td { padding: 11px 16px; border-top: 1px solid var(--line); }
.results-table .ok { color: #1D5B2F; }
.results-table .warn { color: #8F1F15; }

/* ---------- footer ---------- */
.footer {
  background: var(--ink); color: rgba(242,244,241,0.7); font-size: 0.85rem;
  padding: 26px 24px; display: grid; gap: 8px;
}
.footer a { color: rgba(242,244,241,0.9); }
.footer-brand { font-family: var(--display); letter-spacing: 0.12em; color: #fff; }
.footer-note { font-size: 0.78rem; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 44px; }
  .pillars { grid-template-columns: 1fr; gap: 28px; }
  .two-col { grid-template-columns: 1fr; }
  .stats-band { flex-direction: column; }
  .stat + .stat { border-left: none; border-top: 1px solid var(--line); }
  .topbar { flex-direction: column; }
}