/* Petits outils pour apprendre — feuille de style commune (accueil, À propos).
   Charte reprise des applications : encre bleue, accent jaune, Atkinson Hyperlegible.
   Pensé pour la lecture : texte sur fond uni, lignes courtes, pas de texte justifié. */
@font-face{font-family:"Atkinson Hyperlegible";font-style:normal;font-weight:400;font-display:swap;
  src:url(fonts/atkinson-hyperlegible-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Atkinson Hyperlegible";font-style:normal;font-weight:700;font-display:swap;
  src:url(fonts/atkinson-hyperlegible-latin-700-normal.woff2) format("woff2")}

:root{
  --bg:#f1f3f8; --surface:#ffffff; --fg:#16203a; --muted:#59637f; --line:#d8ddea;
  --ink:#213a86; --ink-fg:#ffffff; --ink-soft:#e2e8fb;
  --accent:#ffc83d; --accent-fg:#3b2a00; --accent-soft:#fff3cf;
  --rule:#dde3f4; --rule-strong:#b3c0ea; --margin:#e0656b;
  --font:"Atkinson Hyperlegible","Segoe UI",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#10131b; --surface:#191d29; --fg:#e8ebf4; --muted:#9ca5be; --line:#2c3345;
  --ink:#8ea9ff; --ink-fg:#0f1530; --ink-soft:#232d52;
  --accent:#ffc83d; --accent-fg:#3b2a00; --accent-soft:#3a3016;
  --rule:#252d42; --rule-strong:#35416a; --margin:#b9545a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#10131b; --surface:#191d29; --fg:#e8ebf4; --muted:#9ca5be; --line:#2c3345;
  --ink:#8ea9ff; --ink-fg:#0f1530; --ink-soft:#232d52;
  --accent:#ffc83d; --accent-fg:#3b2a00; --accent-soft:#3a3016;
  --rule:#252d42; --rule-strong:#35416a; --margin:#b9545a; color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:18px;line-height:1.6}
img{max-width:100%;height:auto}
a{color:var(--ink);text-underline-offset:.15em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:4px}
h1,h2,h3{line-height:1.2;text-wrap:balance;margin:0}
h1{font-size:clamp(2rem,5.5vw,3rem)}
h2{font-size:1.65rem;margin-bottom:.6em}
h3{font-size:1.2rem;margin-bottom:.4em}
p,ul,ol{margin:0 0 1em}
.wrap{max-width:960px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
.prose{max-width:68ch}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--ink-fg);padding:10px 16px;border-radius:8px;z-index:10}
.skip:focus{left:8px}

/* En-tête du site */
.site-head{background:var(--surface);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px 24px;flex-wrap:wrap;padding-block:12px}
.brand{display:flex;align-items:center;gap:12px;color:var(--fg);text-decoration:none;font-weight:700;font-size:1.1rem}
.brand img{width:40px;height:40px;border-radius:10px}
.site-head nav{display:flex;gap:6px 20px;flex-wrap:wrap}
.site-head nav a{color:var(--fg);padding:6px 2px;font-weight:700}

/* Présentation */
.ruled{height:40px;border-bottom:1px solid var(--rule-strong);
  background-image:
    linear-gradient(90deg,transparent 46px,var(--margin) 46px,var(--margin) 48px,transparent 48px),
    repeating-linear-gradient(180deg,var(--rule-strong) 0 1px,transparent 1px 10px);
  background-color:var(--surface)}
.hero{padding-block:clamp(28px,6vw,56px) 12px}
.kicker{font-weight:700;letter-spacing:.04em;color:var(--muted);margin-bottom:.8em}
.lead{font-size:1.25rem;margin-top:1em;max-width:62ch}
.notice{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;background:var(--accent-soft);border:1px solid var(--accent);
  border-radius:12px;padding:12px 16px;margin-top:1.4em;max-width:62ch}
.badge{display:inline-block;background:var(--accent);color:var(--accent-fg);font-weight:700;font-size:.85rem;
  padding:2px 12px;border-radius:99px;white-space:nowrap}
.badge.soon{background:var(--ink-soft);color:var(--ink)}

section{padding-block:clamp(22px,4vw,40px)}
section+section{border-top:1px solid var(--line)}

/* Cartes des outils */
.apps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,400px),1fr));gap:22px;align-items:stretch}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.thumb{aspect-ratio:16/10;display:grid;place-items:center;background:var(--ink-soft);border-bottom:1px solid var(--line);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block}
.thumb.icon img{width:112px;height:112px;border-radius:26px;object-fit:contain}
.card-body{padding:20px;display:flex;flex-direction:column;gap:2px;flex:1}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:.5em}
.card-head h3{font-size:1.45rem;margin:0}
.pitch{font-weight:700;font-size:1.1rem}
.for{color:var(--muted);font-size:.95rem}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border-radius:12px;
  background:var(--ink);color:var(--ink-fg);border:2px solid var(--ink);font-weight:700;font-size:1rem;text-decoration:none;text-align:center}
.btn:hover{filter:brightness(1.12)}
.btn.alt{background:transparent;color:var(--ink)}
.btn.alt:hover{background:var(--ink-soft);filter:none}

/* Sans Internet */
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:22px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}
.box ul{padding-left:1.2em;margin-bottom:0}
.box li{margin-bottom:.5em}
.note{margin-top:1.2em;background:var(--ink-soft);border-radius:12px;padding:12px 16px;max-width:68ch}

/* Pied de page */
footer{border-top:1px solid var(--line);background:var(--surface);margin-top:24px}
footer .wrap{padding-block:22px;display:flex;gap:8px 24px;flex-wrap:wrap;justify-content:space-between;color:var(--muted);font-size:.95rem}
footer p{margin:0}
footer a{color:var(--muted)}

/* Page À propos */
.credits{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:1rem}
.credits th,.credits td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
.credits th{background:var(--ink-soft);font-size:.9rem}
.credits tr:last-child td{border-bottom:0}
@media (max-width:640px){
  .credits,.credits tbody,.credits tr,.credits td{display:block;width:100%}
  .credits thead{display:none}
  .credits tr{border-bottom:1px solid var(--line);padding:6px 0}
  .credits td{border:0;padding:4px 14px}
}
.back{display:inline-block;margin-bottom:1em}

@media (prefers-reduced-motion: reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-head,footer,.actions,.ruled{display:none}body{background:#fff;color:#000}}