/* =============================================================================
   MATHÉSCIENCES — Programme d'initiation à l'informatique, cycle 3
   Deux parcours de 12 séances · fiches A4 imprimables
   Signature : l'axe de rotation — deux pôles de 45 min séparés par la bascule.
   ============================================================================= */

@font-face{font-family:"Anton";src:url("fonts/Anton-Regular.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Caveat";src:url("fonts/Caveat-Bold.ttf") format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-v20-latin-regular.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-v20-latin-500.ttf") format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-v20-latin-600.ttf") format("truetype");font-weight:600;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-v20-latin-700.ttf") format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-v20-latin-900.ttf") format("truetype");font-weight:900;font-display:swap}

:root{
  --navy:#0f1f34; --navy-soft:#1c3352;
  --gold:#efcf53; --deep:#b8932f;
  --cream:#fbf3d0; --soft:#fdf8e6; --page:#f7efd3;
  --white:#fff; --ink:#26313f; --ink-strong:#15233a; --muted:#6f7a89;
  --ok:#2f9e6b; --ko:#d0563f;
  --hair:#e3dcc4; --hair-cool:#dfe4ea;
  --acc:var(--gold);           /* couleur du parcours, surchargée par .p-or */
  --acc-deep:var(--deep);
}

/* ---------------------------------------------------------------- page A4 */
@page{
  size:A4; margin:14mm 15mm 12mm;
  @bottom-left{content:"Mathésciences — Programme informatique cycle 3";
    font-family:"Inter",sans-serif;font-size:8pt;color:#a2a9b4}
  @bottom-right{content:counter(page);font-family:"Inter",sans-serif;font-size:8pt;color:#a2a9b4}
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Inter",Calibri,system-ui,sans-serif;
  font-size:10.4pt; line-height:1.55; color:var(--ink);
  background:#8a93a0;
  -webkit-print-color-adjust:exact; print-color-adjust:exact;
}
p{margin:0 0 .6em}
strong,b{color:var(--ink-strong);font-weight:700}
i,em{font-style:italic}
ul{margin:0;padding-left:1.05em}
li{margin:0 0 .3em}

/* ------------------------------------------------------------------ pages */
.pg{
  position:relative; width:210mm; min-height:297mm;
  padding:14mm 15mm 14mm; margin:0 auto 9mm; background:var(--white);
  box-shadow:0 3px 18px rgba(0,0,0,.28); overflow:hidden;
}
.pg.cover{background:var(--navy);color:var(--cream)}
@media print{
  body{background:none}
  .pg{width:auto;min-height:0;height:auto;margin:0;padding:0;box-shadow:none;
      page-break-after:always;break-after:page;overflow:visible}
  .pg:last-child{page-break-after:auto;break-after:auto}
  .pg.cover{margin:-14mm -15mm;padding:26mm 22mm}
  .noprint{display:none!important}
}

/* --------------------------------------------------------------- couleurs */
.p-bleu{--acc:#efcf53;--acc-deep:#b8932f}
.p-or  {--acc:#efcf53;--acc-deep:#b8932f}

/* ------------------------------------------------------------- typographie */
.kick{font-size:7.8pt;font-weight:800;letter-spacing:.17em;text-transform:uppercase;
  color:var(--deep);margin:0 0 5px}
h1.big{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;
  font-size:33pt;line-height:1.02;letter-spacing:.008em;color:var(--navy);margin:0 0 6mm}
h2.sec{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;
  font-size:14pt;line-height:1.1;color:var(--navy);margin:0 0 2.8mm;
  display:flex;align-items:center;gap:8px}
h2.sec .ic{width:19px;height:19px;color:var(--deep);flex:0 0 auto}
h3.sub{font-size:9.6pt;font-weight:800;letter-spacing:.11em;text-transform:uppercase;
  color:var(--deep);margin:0 0 2mm}
.hand{font-family:"Caveat",cursive;font-weight:700;font-size:15pt;line-height:1.25;color:var(--navy)}
.small{font-size:8.8pt;line-height:1.5}
.mut{color:var(--muted)}
section.blk{margin:0 0 5.5mm}
section.blk:last-child{margin-bottom:0}

/* ------------------------------------------------------------- couvertures */
.cover .logo{width:26mm;height:26mm;border-radius:50%;background:var(--navy);
  display:flex;align-items:center;justify-content:center;border:2px solid var(--gold);
  margin:0 0 10mm;overflow:hidden}
.cover .logo img{width:22mm;height:22mm;object-fit:contain}
.cover .kick{color:var(--gold)}
.cover h1{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;
  font-size:46pt;line-height:.96;color:var(--white);margin:0 0 6mm;letter-spacing:.005em}
.cover h1 em{font-style:normal;color:var(--gold)}
.cover .lead{font-size:12pt;line-height:1.6;color:#cfd8e4;max-width:132mm}
.cover .facts{display:flex;gap:4mm;margin:11mm 0 0;flex-wrap:nowrap}
.cover .fact{background:var(--navy-soft);border-radius:4mm;padding:4.5mm 5mm;
  flex:1 1 0;min-width:0}
.cover .fact b{display:block;font-family:"Anton",sans-serif;font-weight:400;font-size:22pt;
  color:var(--gold);line-height:1;margin-bottom:2mm}
.cover .fact span{font-size:8.6pt;color:#b9c4d3;line-height:1.35;display:block}
.cover .foot{position:absolute;left:15mm;right:15mm;bottom:14mm;
  border-top:1px solid #2b4straight;padding-top:4mm;font-size:8.4pt;color:#8fa0b6}
.cover .foot{border-top-color:#2c4162}
.cover .badge-rond{position:absolute;right:15mm;top:14mm;width:34mm;height:34mm;border-radius:50%;
  background:var(--gold);display:flex;flex-direction:column;align-items:center;
  justify-content:center;color:var(--navy);text-align:center}
.cover .badge-rond b{font-family:"Anton",sans-serif;font-weight:400;font-size:19pt;line-height:1}
.cover .badge-rond span{font-size:7.4pt;font-weight:700;letter-spacing:.1em;text-transform:uppercase}

/* --------------------------------------------------------- tête de fiche */
.fhead{display:flex;gap:5mm;align-items:flex-start;margin:0 0 4.5mm;
  padding-bottom:3.5mm;border-bottom:2px solid var(--navy)}
.fnum{flex:0 0 auto;width:17mm;height:17mm;border-radius:4.5mm;background:var(--navy);
  color:var(--gold);font-family:"Anton",sans-serif;font-size:17pt;
  display:flex;align-items:center;justify-content:center;line-height:1}
.fhead .t{flex:1 1 auto;min-width:0}
.fhead h1{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;
  font-size:18.5pt;line-height:1.05;color:var(--navy);margin:.6mm 0 1.6mm}
.fmeta{display:flex;gap:4mm;flex-wrap:wrap;font-size:8.2pt;color:var(--muted);font-weight:600}
.fmeta b{color:var(--deep);font-weight:800}

.chips{display:flex;gap:2mm;flex-wrap:wrap;margin:3mm 0 0}
.chip{font-size:7.6pt;font-weight:700;padding:1.2mm 3mm;border-radius:10mm;
  background:var(--cream);color:var(--ink-strong);border:1px solid var(--hair);white-space:nowrap}
.chip b{color:var(--deep);font-weight:800}

/* ------------------------------------------------------------- intro fiche */
.intro{display:grid;grid-template-columns:1fr 66mm;gap:5mm;align-items:start;margin:0 0 4.5mm}
.intro h2.sec{font-size:13pt;margin-bottom:2.2mm}
.obj{font-size:9.5pt;line-height:1.45}
.obj li{margin-bottom:1mm}
.illus{border-radius:3.5mm;overflow:hidden;background:var(--soft)}
.illus img{display:block;width:100%}
.analogie{margin:3mm 0 0;background:var(--cream);border-radius:3mm;padding:3mm 4mm;
  border:1px solid var(--hair)}
.analogie .lab{font-size:7.2pt;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--deep);margin-bottom:1mm}
.analogie .hand{font-size:13pt;line-height:1.22;margin:0}

/* ==========================================================================
   SIGNATURE — L'AXE DE ROTATION
   Deux pôles de 45 min, séparés par la bascule des demi-groupes.
   ========================================================================== */
.rail{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1.6px solid var(--navy);border-radius:4mm;overflow:hidden}
.rail-head{grid-column:1 / -1;background:var(--gold);color:var(--navy);
  padding:2.8mm 5mm;display:flex;align-items:center;justify-content:center;gap:3mm;
  border-bottom:1.6px solid var(--navy)}
.rail-head .ic{width:19px;height:19px;color:var(--navy);flex:0 0 auto}
.rail-head b{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;
  font-size:11pt;letter-spacing:.03em;line-height:1}
.rail-head span{font-size:8.2pt;font-weight:600}
.pole{padding:0 0 3mm;display:flex;flex-direction:column}
.pole-pap{border-left:1.6px dashed var(--navy)}
.pole-h{padding:2.6mm 4mm;display:flex;align-items:center;gap:2.5mm;color:var(--white)}
.pole-h .ic{width:18px;height:18px;flex:0 0 auto;color:currentColor}
.pole-h .n{flex:1 1 auto;min-width:0}
.pole-h .n b{display:block;color:inherit;font-family:"Anton",sans-serif;font-weight:400;
  text-transform:uppercase;font-size:11.5pt;line-height:1.08;letter-spacing:.02em}
.pole-h .n span{display:block;font-size:7.2pt;opacity:.82;font-weight:600;line-height:1.25}
.pole-h .dur{flex:0 0 auto;color:inherit;font-family:"Anton",sans-serif;font-size:12pt;line-height:1}
.pole-num .pole-h{background:var(--navy)}
.pole-pap .pole-h{background:var(--deep)}
.pole-body{padding:3mm 4mm 0}
.pole-title{font-size:9.8pt;font-weight:800;color:var(--navy);margin:0 0 .5mm;line-height:1.25}
.pole-tool{font-size:7.4pt;font-weight:700;color:var(--deep);margin:0 0 2.6mm;
  text-transform:uppercase;letter-spacing:.07em}
.step{display:grid;grid-template-columns:12.5mm 1fr;gap:2mm;margin:0 0 2.2mm}
.step .d{font-size:7pt;font-weight:800;color:var(--white);background:var(--navy);
  border-radius:1.8mm;padding:.8mm 0;text-align:center;height:fit-content;letter-spacing:.01em}
.pole-pap .step .d{background:var(--deep)}
.step .c strong.h{display:block;font-size:8.6pt;color:var(--ink-strong);margin-bottom:.2mm}
.step .c{font-size:8.2pt;line-height:1.4}
.win{margin:auto 4mm 0;background:var(--soft);border:1px solid var(--hair);
  border-radius:2.2mm;padding:2mm 3mm;font-size:7.9pt;line-height:1.4;
  display:flex;gap:2mm;align-items:flex-start}
.win .ic{width:13px;height:13px;color:var(--ok);flex:0 0 auto;margin-top:.4mm}
.win b{color:var(--ok);font-weight:800}
.rail-foot{grid-column:1 / -1;background:var(--cream);border-top:1.6px solid var(--navy);
  padding:2.6mm 5mm;font-size:8.2pt;text-align:center;color:var(--ink-strong);font-weight:600}

/* ------------------------------------------------------------- page 2 blocs */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:6mm}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:5mm}
.card{background:var(--soft);border:1px solid var(--hair);border-radius:3.5mm;padding:3.6mm 4.2mm}
.card.navy{background:var(--navy);color:#dbe3ee;border-color:var(--navy)}
.card.navy h3.sub{color:var(--gold)}
.card.navy strong,.card.navy b{color:var(--white)}
.card.gold{background:var(--cream);border-color:var(--deep)}
.card h3.sub,.trace h3.sub{display:flex;align-items:center;gap:2.2mm;margin-bottom:1.6mm}
.card h3.sub .ic,.trace h3.sub .ic{width:16px;height:16px;color:var(--deep);flex:0 0 auto}
.card ul{padding-left:0;list-style:none}
.card ul li{position:relative;padding-left:4.4mm;font-size:8.6pt;line-height:1.4}
.card ul li::before{content:"";position:absolute;left:0;top:1.9mm;width:2.2mm;height:2.2mm;
  border-radius:50%;background:var(--deep)}
.card.navy ul li::before{background:var(--gold)}

.trace{background:var(--gold);border-radius:3.5mm;padding:3.6mm 4.6mm;color:var(--navy)}
.trace h3.sub{color:var(--navy)}
.trace h3.sub .ic{color:var(--navy)}
.trace strong{color:var(--navy)}

.diff .t{font-size:8pt;font-weight:800;text-transform:uppercase;letter-spacing:.09em;
  margin-bottom:1.5mm}
.diff.aide .t{color:var(--ok)} .diff.plus .t{color:var(--deep)}

.photo{border-radius:3.5mm;overflow:hidden;border:1px solid var(--hair);background:var(--soft);
  margin:0;display:flex;flex-direction:column}
.photo img{display:block;width:100%;height:auto;max-height:42mm;object-fit:cover}
.photo img[src$=".svg"]{max-height:46mm;object-fit:contain;background:var(--soft)}
.photo figcaption{font-size:7.6pt;line-height:1.35;color:var(--muted);padding:2mm 3mm;
  background:var(--white);flex:1 1 auto}

/* ------------------------------------------------------------------ tables */
table{width:100%;border-collapse:collapse;font-size:8.8pt}
th{background:var(--navy);color:var(--white);text-align:left;font-weight:700;
  padding:2.4mm 3mm;font-size:8pt;letter-spacing:.04em;text-transform:uppercase}
td{padding:2.4mm 3mm;border-bottom:1px solid var(--hair);vertical-align:top}
tr:nth-child(even) td{background:var(--soft)}
td.n{font-family:"Anton",sans-serif;font-size:12pt;color:var(--deep);width:9mm;text-align:center}

/* ---------------------------------------------------------------- sommaire */
.toc{display:grid;grid-template-columns:1fr 1fr;gap:2.6mm 5mm}
.toc a{display:flex;gap:2.6mm;text-decoration:none;color:inherit;align-items:flex-start;
  padding:2.1mm 2.6mm;border-radius:2.5mm;background:var(--soft);border:1px solid var(--hair)}
.toc .nn{font-family:"Anton",sans-serif;font-size:13pt;color:var(--deep);
  line-height:1;flex:0 0 7mm;padding-top:.4mm}
.toc .tt{font-size:9pt;font-weight:700;color:var(--navy);line-height:1.3}
.toc .ss{font-size:7.6pt;color:var(--muted);display:block;font-weight:500;margin-top:.6mm}

/* ------------------------------------------------------------- bandeau nav */
.nav{position:sticky;top:0;z-index:40;background:var(--navy);color:var(--cream);
  padding:9px 18px;display:flex;gap:18px;align-items:center;font-size:13px;
  box-shadow:0 2px 12px rgba(0,0,0,.3)}
.nav b{font-family:"Anton",sans-serif;font-weight:400;letter-spacing:.05em;
  text-transform:uppercase;font-size:14px}
.nav a{color:var(--cream);text-decoration:none;opacity:.82;border-bottom:1px solid transparent}
.nav a:hover,.nav a.on{opacity:1;border-bottom-color:var(--gold)}
.nav .sp{flex:1}
.nav button{font:inherit;font-size:12px;background:var(--gold);color:var(--navy);border:0;
  border-radius:20px;padding:6px 15px;font-weight:700;cursor:pointer}
.nav button:hover{background:#fff}
.nav button:focus-visible,.nav a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ------------------------------------------------------------ séance type */
.timeline{border:1.6px solid var(--navy);border-radius:4mm;overflow:hidden}
.tl-row{display:grid;grid-template-columns:24mm 1fr 1fr;align-items:stretch}
.tl-row + .tl-row{border-top:1px solid var(--hair)}
.tl-h{background:var(--navy);color:var(--white)}
.tl-h > div{padding:2.8mm 4mm;font-size:8.2pt;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase}
.tl-t{background:var(--cream);font-family:"Anton",sans-serif;font-size:11pt;color:var(--navy);
  display:flex;align-items:center;justify-content:center;border-right:1px solid var(--hair)}
.tl-c{padding:2.8mm 3.4mm;font-size:8.5pt;line-height:1.4}
.tl-c + .tl-c{border-left:1px dashed var(--navy)}
.tl-c b{display:block;color:var(--deep);font-size:8pt;text-transform:uppercase;
  letter-spacing:.08em;margin-bottom:.8mm}
.tl-swap{background:var(--gold);text-align:center;font-weight:800;font-size:8.6pt;
  color:var(--navy);padding:2.4mm;grid-column:1 / -1;letter-spacing:.05em}

/* ------------------------------------------------------------------ divers */
.ic{display:inline-block;vertical-align:middle;width:16px;height:16px;flex:0 0 auto}
svg.ic{overflow:visible}
.lede{font-size:11pt;line-height:1.6;color:var(--ink);max-width:150mm}
.rule{height:2px;background:var(--navy);margin:0 0 5mm}
.note{background:var(--cream);border:1px solid var(--deep);border-radius:3mm;
  padding:3.2mm 4.2mm;font-size:8.6pt;line-height:1.45}
.note b{color:var(--deep)}
.swapbox{background:var(--navy);color:#dbe3ee;border-radius:4mm;padding:6mm 7mm}
.swapbox h3{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;
  font-size:14pt;color:var(--gold);margin:0 0 3mm}
.swapbox strong{color:#fff}

@media screen and (max-width:800px){
  .pg{width:auto;padding:22px 18px}
  .intro,.grid2,.grid3,.toc{grid-template-columns:1fr}
  .rail{grid-template-columns:1fr}
  .rail::before,.pivot{display:none}
}

/* ------------------------------------------------- récapitulatif compact */
ol.mini{margin:0;padding-left:0;list-style:none;font-size:8pt;line-height:1.35;
  column-count:1}
ol.mini li{margin:0 0 1.1mm;padding-left:5.6mm;text-indent:-5.6mm}
ol.mini li b{color:var(--deep);font-weight:800}

table.tight td{padding:1.7mm 2.4mm;font-size:8.2pt;line-height:1.38}
table.tight th{padding:1.9mm 2.4mm;font-size:7.6pt}
table.tight td.n{font-size:11pt}

.pole-h b,.pole-h strong,.cover b,.cover strong{color:inherit}

/* ------------------------------------------- bandeau de continuité de fiche */
.fband{display:flex;align-items:center;gap:3.5mm;margin:0 0 5mm;
  padding-bottom:2.6mm;border-bottom:2px solid var(--navy)}
.fb-n{flex:0 0 auto;width:9mm;height:9mm;border-radius:2.4mm;background:var(--navy);
  color:var(--gold);font-family:"Anton",sans-serif;font-size:11pt;line-height:1;
  display:flex;align-items:center;justify-content:center}
.fb-t{flex:1 1 auto;min-width:0;font-size:8.6pt;font-weight:700;color:var(--navy);
  letter-spacing:.02em}
.fb-p{flex:0 0 auto;font-size:7.6pt;font-weight:800;letter-spacing:.13em;
  text-transform:uppercase;color:var(--navy);background:var(--gold);
  border-radius:10mm;padding:1.2mm 3.4mm}

/* le rail occupe toute la page : on lui rend de la lisibilité */
.rail-solo .step .c{font-size:8.8pt;line-height:1.46}
.rail-solo .step .c strong.h{font-size:9.2pt}
.rail-solo .pole-body{padding:4mm 5mm 0}
.rail-solo .step{grid-template-columns:13.5mm 1fr;margin-bottom:2.8mm}
.rail-solo .win{font-size:8.4pt;margin:.6mm 5mm 0;padding:2.4mm 3.4mm}
.rail-solo .pole-title{font-size:10.6pt}
.rail-solo .pole-tool{font-size:7.8pt;margin-bottom:3mm}

/* rail très fourni : on resserre pour tenir la page */
.rail-dense .step .c{font-size:7.9pt;line-height:1.34}
.rail-dense .step .c strong.h{font-size:8.4pt}
.rail-dense .step{margin-bottom:2.1mm;grid-template-columns:12.5mm 1fr}
.rail-dense .pole-body{padding:3mm 4mm 0}
.rail-dense .win{font-size:7.7pt;margin:.5mm 4mm 0;padding:2mm 3mm}
.rail-dense .pole-title{font-size:9.8pt}
.rail-dense .pole-tool{font-size:7.4pt;margin-bottom:2.4mm}