/* PédagoApp — site vitrine. Aucune ressource externe : polices système, icônes en SVG inline. */
:root {
  --ink: #1d2125;
  --ink-soft: #4a525b;
  --paper: #fbfaf7;
  --paper-2: #f2f0ea;
  --line: #e2ded4;
  --dark: #212529;          /* barre latérale de l'application */
  --dark-2: #2b3035;
  --na: #dc3545;
  --eca: #ffc107;
  --aap: #8bc34a;
  --aat: #146c43;
  --nm: #6c757d;
  --accent: #146c43;
  --accent-ink: #0f5434;
  --radius: 12px;
  --wrap: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 750; }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); font-weight: 720; }
h3 { font-size: 1.12rem; font-weight: 680; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 700px) { .wrap { padding: 0 28px; } }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 6px; }
:focus-visible { outline: 3px solid var(--eca); outline-offset: 2px; }

/* ── En-tête ── */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(33, 37, 41, .96);
  backdrop-filter: saturate(140%) blur(6px);
  color: #fff;
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand:hover { color: #fff; }
.brand svg { width: 30px; height: 30px; flex: none; }
.nav { display: none; gap: 22px; }
.nav a { color: #d6d9dc; text-decoration: none; font-size: .95rem; }
.nav a:hover { color: #fff; }
@media (min-width: 860px) { .nav { display: flex; } }
.top .btn-small { display: inline-block; padding: 7px 14px; border-radius: 999px; background: #fff; color: var(--dark); font-weight: 600; font-size: .9rem; text-decoration: none; }
.top .btn-small:hover { background: var(--paper-2); color: var(--dark); }

/* ── Bandeau d'accueil ── */
.hero { background: var(--dark); color: #fff; padding: 56px 0 0; overflow: hidden; }
.hero .lead { font-size: 1.15rem; color: #cfd3d7; max-width: 640px; }
.hero h1 em { font-style: normal; color: #9fdc6a; }
.pills { list-style: none; padding: 0; margin: 22px 0 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.pills li { font-size: .88rem; padding: 5px 12px; border: 1px solid #4a5056; border-radius: 999px; color: #e9ecef; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 650; text-decoration: none; }
.btn-primary { background: var(--aap); color: #16210b; }
.btn-primary:hover { background: #a2d46b; color: #16210b; }
.btn-ghost { border: 1px solid #6c757d; color: #fff; }
.btn-ghost:hover { border-color: #fff; color: #fff; }
.levelbar { display: flex; height: 6px; }
.levelbar span { flex: 1; }
.levelbar .na { background: var(--na); } .levelbar .eca { background: var(--eca); }
.levelbar .aap { background: var(--aap); } .levelbar .aat { background: var(--aat); }
.hero-shot { margin: 0 auto -1px; max-width: 1040px; }

/* ── Capture en cadre de navigateur ── */
.shot { margin: 0; }
.shot a { display: block; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; background: #fff;
  box-shadow: 0 1px 0 var(--line), 0 18px 40px -18px rgba(20, 24, 28, .35); border: 1px solid var(--line); }
.feature .shot a { border-radius: var(--radius); }
.shot a::before { content: ""; display: block; height: 22px; background:
  radial-gradient(circle at 14px 11px, #e06c64 4px, transparent 5px),
  radial-gradient(circle at 30px 11px, #e5b94e 4px, transparent 5px),
  radial-gradient(circle at 46px 11px, #79b860 4px, transparent 5px), #eceae4; border-bottom: 1px solid var(--line); }
.hero .shot a { border-color: #3a4046; box-shadow: 0 -10px 50px -10px rgba(0,0,0,.6); }
.hero .shot a::before { background:
  radial-gradient(circle at 14px 11px, #e06c64 4px, transparent 5px),
  radial-gradient(circle at 30px 11px, #e5b94e 4px, transparent 5px),
  radial-gradient(circle at 46px 11px, #79b860 4px, transparent 5px), #343a40; border-bottom-color: #3a4046; }
.shot a { cursor: zoom-in; }

/* ── Capture agrandie (CSS seul, :target) ── */
.viewer { display: none; position: fixed; inset: 0; z-index: 200; padding: 16px;
  background: rgba(15, 17, 19, .97); align-items: center; justify-content: center; }
.viewer:target { display: flex; }
.viewer img { position: relative; max-width: 100%; max-height: 100%; width: auto; height: auto;
  object-fit: contain; border-radius: 6px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); pointer-events: none; }
.viewer-close { position: absolute; inset: 0; cursor: zoom-out; }
.viewer-close::after { content: "\00d7"; position: absolute; top: 8px; right: 18px; color: #fff; font-size: 2.4rem; line-height: 1; }
@media (min-width: 700px) { .viewer { padding: 40px; } }

.shot figcaption { font-size: .85rem; color: var(--ink-soft); margin-top: 10px; }

/* ── Sections ── */
section { padding: 72px 0; }
.alt { background: var(--paper-2); }
.kicker { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: var(--accent); margin-bottom: .7em; }
.hero .kicker { color: #9fdc6a; }
.intro { max-width: 720px; margin-bottom: 40px; }
.intro p { color: var(--ink-soft); font-size: 1.08rem; }

.feature { display: grid; gap: 28px; align-items: center; padding: 40px 0; border-top: 1px solid var(--line); }
.feature:first-of-type { border-top: 0; }
@media (min-width: 900px) {
  .feature { grid-template-columns: 5fr 7fr; gap: 56px; padding: 56px 0; }
  .feature.reverse .text { order: 2; }
}
.feature .num { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--dark); color: #fff; font-size: .85rem; font-weight: 700; margin-bottom: 14px; }
.feature p { color: var(--ink-soft); }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding-left: 26px; margin: 6px 0; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 12px; height: 7px;
  border-left: 2.5px solid var(--aat); border-bottom: 2.5px solid var(--aat); transform: rotate(-45deg); }

/* ── Échelle à quatre niveaux ── */
.scale { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-top: 8px; }
.level { border-radius: var(--radius); padding: 20px; background: #fff; border: 1px solid var(--line); border-top: 6px solid; }
.level b { display: block; font-size: 1.5rem; letter-spacing: -0.02em; }
.level span { display: block; font-weight: 600; margin-bottom: 6px; }
.level p { font-size: .93rem; color: var(--ink-soft); margin: 0; }
.level.na { border-top-color: var(--na); } .level.eca { border-top-color: var(--eca); }
.level.aap { border-top-color: var(--aap); } .level.aat { border-top-color: var(--aat); }
.level.aat { background: #eef7f1; }
.level.nm { margin-top: 14px; border-top-color: var(--nm); background: #f3f4f5; }
.level.nm b { color: var(--nm); }
@media (min-width: 700px) {
  .level.nm { display: grid; grid-template-columns: max-content 1fr; column-gap: 18px; align-items: baseline; }
  .level.nm b, .level.nm span { grid-column: 1; }
  .level.nm p { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
}

/* ── Étapes ── */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; counter-reset: s; }
.steps, .cards { grid-template-columns: 1fr; }
@media (min-width: 640px) { .steps, .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .steps, .cards { grid-template-columns: repeat(3, 1fr); } .cards.cards-2 { grid-template-columns: repeat(2, 1fr); } }
.steps li { counter-increment: s; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px 20px; }
.steps li::before { content: counter(s); display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--paper-2); border: 1px solid var(--line); font-weight: 700; margin-bottom: 12px; }
.steps li.auto { background: var(--dark); color: #fff; border-color: var(--dark); }
.steps li.auto::before { background: var(--aap); border-color: var(--aap); color: #16210b; }
.steps li.auto p { color: #cfd3d7; }
.steps p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

/* ── Référentiels ── */
.chips { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { font-weight: 700; padding: 8px 16px; border-radius: 8px; background: #fff; border: 1px solid var(--line); letter-spacing: .02em; }

/* ── Cartes ── */
.cards { display: grid; gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--ink-soft); margin: 0; font-size: .96rem; }
.card svg { width: 26px; height: 26px; color: var(--accent); margin-bottom: 10px; }
.card.dark { background: var(--dark); color: #fff; border-color: var(--dark); }
.card.dark p { color: #cfd3d7; }
.card.dark svg { color: var(--aap); }

.soon { display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  background: #fff3cd; color: #7a5a00; border-radius: 4px; padding: 2px 8px; margin-left: 6px; vertical-align: 2px; }

/* ── À propos / contact ── */
.about { display: grid; gap: 32px; }
@media (min-width: 900px) { .about { grid-template-columns: 7fr 5fr; gap: 56px; } }
.contact-box { background: var(--dark); color: #fff; border-radius: var(--radius); padding: 28px; }
.contact-box p { color: #cfd3d7; }
.contact-box a { color: #b6e38c; }


/* ── Pied de page ── */
footer { background: var(--dark); color: #adb5bd; padding: 36px 0; font-size: .92rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; }
footer a { color: #e9ecef; }
footer .brand { font-size: 1rem; }

/* ── Page de texte (mentions légales) ── */
.doc { max-width: 760px; padding: 56px 0 72px; }
.doc h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
.doc h2 { font-size: 1.3rem; margin-top: 2em; }
.doc dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
.doc dt { font-weight: 600; }
.doc dd { margin: 0; }
.doc .back { margin-top: 2.5em; }
@media (max-width: 560px) { .doc dl { grid-template-columns: 1fr; } .doc dd { margin-bottom: 8px; } }

@media print {
  .top, .hero .actions, footer, .viewer { display: none !important; }
  .hero { background: #fff; color: #000; }
  section { padding: 24px 0; }
}