/* L'IA pour tous — feuille de style unique, sans police web ni framework (≈ 10 Ko) */
:root{
  --navy:#0B1D3A; --navy-2:#122A52; --navy-3:#1B3766;
  --amber:#F5A80A; --amber-soft:#FFF3D6; --amber-ink:#8A5700;
  --cyan:#1BA4E4; --cyan-ink:#0A6C9E; --cyan-soft:#E3F4FC;
  --bg:#F3F5F9; --surface:#FFFFFF; --ink:#0B1D3A; --muted:#4B5A72; --line:#D9E1EC;
  --on-navy:#F2F6FC; --on-navy-muted:#B4C3D9;
  --radius:14px; --wrap:72rem; --read:40rem;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#07111F; --surface:#0E1B30; --ink:#E7EEF8; --muted:#A3B2C8; --line:#22365A;
    --cyan-ink:#62C6F3; --amber-ink:#F5B83A; --amber-soft:#2A2210; --cyan-soft:#0D2A40;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#07111F; --surface:#0E1B30; --ink:#E7EEF8; --muted:#A3B2C8; --line:#22365A;
  --cyan-ink:#62C6F3; --amber-ink:#F5B83A; --amber-soft:#2A2210; --cyan-soft:#0D2A40;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--font)}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan-ink);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.1rem,6vw,3.6rem);font-weight:850}
h2{font-size:clamp(1.55rem,3.6vw,2.2rem);font-weight:800}
h3{font-size:1.2rem;font-weight:750}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:max(16px,4vw)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;z-index:10;background:var(--amber);color:var(--navy);padding:.5rem 1rem}
.hl-a{color:var(--amber)} .hl-c{color:var(--cyan)}
.eyebrow{font-size:.78rem;font-weight:750;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-ink)}
.band .eyebrow,.hero .eyebrow{color:var(--cyan)}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* ---------- En-tête ---------- */
.top{background:var(--navy);color:var(--on-navy);position:sticky;top:env(safe-area-inset-top,0px);z-index:5;border-bottom:1px solid #ffffff14}
.top .wrap{display:flex;align-items:center;gap:1rem;min-height:64px}
.logo{display:inline-flex;align-items:flex-end;gap:.15rem;text-decoration:none;color:var(--on-navy);line-height:.9;font-weight:850}
.logo .l1{font-size:1.7rem;letter-spacing:-.03em;display:inline-flex;align-items:flex-start}
.logo .l1 b{color:var(--cyan)}
.logo .l2{display:block;font-size:.86rem;letter-spacing:.05em;margin-top:1px}
.logo .l2 b{color:var(--amber)}
.logo svg{width:14px;height:14px;margin-left:1px;margin-top:-2px}
.nav{margin-left:auto;display:flex;align-items:center;gap:.25rem}
.nav a{color:var(--on-navy);text-decoration:none;font-size:.95rem;padding:.5rem .7rem;border-radius:8px}
.nav a:hover{background:#ffffff12}
.nav a[aria-current="page"]{color:var(--amber);box-shadow:inset 0 -2px 0 var(--amber);border-radius:0}
.btn{display:inline-flex;align-items:center;gap:.5rem;font:inherit;font-weight:750;font-size:.95rem;text-decoration:none;border-radius:10px;padding:.7rem 1.1rem;border:2px solid transparent;cursor:pointer;line-height:1.2}
.btn-amber{background:var(--amber);color:var(--navy)}
.btn-amber:hover{background:#FFBC32}
.btn-ghost{border-color:#ffffff55;color:var(--on-navy);background:transparent}
.btn-ghost:hover{border-color:var(--on-navy)}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn svg{width:18px;height:18px;flex:none}
.menu{display:none;margin-left:auto}
.menu summary{list-style:none;cursor:pointer;padding:.55rem .8rem;border:1px solid #ffffff40;border-radius:8px;font-weight:700;font-size:.9rem}
.menu summary::-webkit-details-marker{display:none}
.menu[open] .drawer{display:flex}
.drawer{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy-2);flex-direction:column;padding:.5rem max(16px,4vw) 1rem;border-bottom:3px solid var(--amber)}
.drawer a{color:var(--on-navy);text-decoration:none;padding:.8rem 0;border-bottom:1px solid #ffffff14;font-weight:600}
@media (max-width:900px){.nav{display:none}.menu{display:block}}

/* ---------- Hero ---------- */
.hero{background:var(--navy);color:var(--on-navy);overflow:hidden;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.25fr .9fr;gap:2rem;align-items:center;padding-block:3.2rem 3.4rem}
.hero p.lead{font-size:1.15rem;color:var(--on-navy-muted);max-width:34rem;margin-top:1rem}
.hero .actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.6rem}
.tag{display:inline-block;border:1.5px solid var(--cyan);color:var(--on-navy);border-radius:999px;padding:.25rem .8rem;font-size:.75rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem}
.hero-art{position:relative;aspect-ratio:1/1;max-width:100%;width:100%}
.hero-art .sun{position:absolute;inset:12% 0 0 10%;border-radius:50%;background:var(--amber)}
.hero-art .dots{position:absolute;right:0;top:0;width:70px;height:70px;background:radial-gradient(circle,#1BA4E4 1.6px,transparent 2px) 0 0/14px 14px;opacity:.8}
.bubble{position:absolute;left:0;top:18%;right:14%;background:var(--navy);border:3px solid var(--amber);border-radius:28px;padding:1.3rem 1.4rem;font-size:clamp(1.05rem,2.2vw,1.35rem);font-weight:650;line-height:1.35;text-align:center;box-shadow:0 18px 40px #00000040}
.bubble::after{content:"";position:absolute;bottom:-18px;left:22%;width:30px;height:30px;background:var(--navy);border-right:3px solid var(--amber);border-bottom:3px solid var(--amber);transform:rotate(45deg) skew(10deg,10deg)}
.bubble em{font-style:normal;color:var(--cyan)}
.mic{position:absolute;right:8%;bottom:8%;width:88px;height:88px;border-radius:50%;background:var(--navy);border:3px solid var(--amber);display:grid;place-items:center}
.mic svg{width:48px;height:48px}
.page-hero .wrap{grid-template-columns:1fr;padding-block:2.6rem 2.8rem}
.page-hero h1{font-size:clamp(1.9rem,5vw,3rem)}
@media (max-width:760px){
  .hero .wrap{grid-template-columns:1fr;padding-block:2.2rem 2.4rem}
  .hero-art{max-width:320px;margin-inline:auto}
}

/* ---------- Bandeau piliers ---------- */
.pillars{background:var(--navy-2);color:var(--on-navy)}
.pillars ul{list-style:none;margin:0;padding:1.1rem 0;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.pillars li{display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;color:var(--on-navy-muted)}
.pillars strong{display:block;color:var(--on-navy);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
.pillars svg{width:30px;height:30px;flex:none;color:var(--amber)}
@media (max-width:760px){.pillars ul{grid-template-columns:1fr 1fr}}
@media (max-width:420px){.pillars ul{grid-template-columns:1fr}}

/* ---------- Sections ---------- */
section{padding-block:3.2rem}
.sec-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.6rem}
.sec-head p{max-width:36rem;color:var(--muted);margin-top:.5rem}
.band{background:var(--navy);color:var(--on-navy)}
.band .muted{color:var(--on-navy-muted)}
.band a:not(.btn){color:#7FD0F6}
.alt{background:var(--surface);border-block:1px solid var(--line)}

.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem;display:flex;flex-direction:column;gap:.6rem}
.card h3 a{color:inherit;text-decoration:none}
.card h3 a:hover{color:var(--cyan-ink)}
.card .more{margin-top:auto;font-weight:700;font-size:.92rem;text-decoration:none}
.ico{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--cyan-soft);color:var(--cyan-ink)}
.ico.a{background:var(--amber-soft);color:var(--amber-ink)}
.ico svg{width:24px;height:24px}
.card .ph{margin:-1.3rem -1.3rem .4rem;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;background:var(--navy-2);aspect-ratio:16/10}
.card .ph img{width:100%;height:100%;object-fit:cover}
.chip{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:.2rem .55rem;border-radius:6px;background:var(--cyan-soft);color:var(--cyan-ink);align-self:flex-start}
.chip.a{background:var(--amber-soft);color:var(--amber-ink)}
.meta{display:flex;flex-wrap:wrap;gap:.35rem 1rem;font-size:.85rem;color:var(--muted)}

/* ---------- Parcours / modules ---------- */
.module{margin-top:2rem}
.module h3{display:flex;gap:.6rem;align-items:baseline}
.module h3 span{color:var(--amber-ink);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800}
.lessons{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.6rem}
.lessons a{display:grid;grid-template-columns:2.4rem 1fr auto;gap:.9rem;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.85rem 1rem;text-decoration:none;color:var(--ink)}
.lessons a:hover{border-color:var(--cyan)}
.lessons .n{width:2.4rem;height:2.4rem;border-radius:50%;display:grid;place-items:center;font-weight:800;background:var(--navy);color:var(--amber);font-variant-numeric:tabular-nums}
.lessons .t strong{display:block;line-height:1.3}
.lessons .t small{color:var(--muted)}
.lessons .d{font-size:.8rem;color:var(--muted);white-space:nowrap}
.lessons a.done .n{background:var(--amber);color:var(--navy)}
.lessons a.done .d::before{content:"✓ Terminé · ";color:var(--amber-ink);font-weight:700}
.progress{height:10px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:.6rem;max-width:26rem}
.progress i{display:block;height:100%;width:0;background:var(--amber);transition:width .4s}

/* ---------- Leçon (lecture) ---------- */
.crumbs{font-size:.88rem;color:var(--on-navy-muted);margin-bottom:.8rem}
.crumbs a{color:var(--on-navy-muted)}
.lesson{display:grid;grid-template-columns:minmax(0,var(--read)) 16rem;gap:3rem;justify-content:center;padding-block:2.6rem 3rem}
.lesson aside{align-self:start;position:sticky;top:calc(80px + env(safe-area-inset-top,0px));display:grid;gap:1rem}
@media (max-width:900px){.lesson{grid-template-columns:minmax(0,1fr)}.lesson aside{position:static}}
.prose>*+*{margin-top:1.05rem}
.prose h2{font-size:1.45rem;margin-top:2.2rem}
.prose h3{margin-top:1.6rem}
.prose ul,.prose ol{padding-left:1.25rem}
.prose li+li{margin-top:.35rem}
.prose blockquote{margin:1.4rem 0;padding:1rem 1.2rem;border-left:4px solid var(--amber);background:var(--amber-soft);border-radius:0 10px 10px 0;font-weight:600}
.box{border-radius:var(--radius);padding:1.2rem 1.3rem;border:1px solid var(--line);background:var(--surface)}
.box h3{font-size:1rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:.5rem}
.box.goal{border-top:4px solid var(--cyan)}
.box.defi{background:var(--navy);color:var(--on-navy);border:0}
.box.defi h3{color:var(--amber)}
.box.keep{border-top:4px solid var(--amber)}
.box ul{margin:.3rem 0 0;padding-left:1.1rem}
.prompt{position:relative;background:var(--navy);color:#E9F1FB;border-radius:12px;padding:1rem 1.1rem 1rem;font:500 .95rem/1.55 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere}
.prompt::before{content:"PROMPT";display:block;font:800 .7rem/1 var(--font);letter-spacing:.14em;color:var(--amber);margin-bottom:.6rem}
.copy{position:absolute;top:.55rem;right:.55rem;font:700 .78rem var(--font);background:#ffffff18;color:#fff;border:1px solid #ffffff30;border-radius:7px;padding:.3rem .6rem;cursor:pointer}
.copy:hover{background:#ffffff30}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.compare div{border-radius:12px;padding:1rem;border:1px solid var(--line);background:var(--surface);font-size:.95rem}
.compare b{display:block;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.3rem}
.compare .bad b{color:#C2410C}.compare .good b{color:#15803D}
:root:not([data-theme="light"]) .compare .bad b{color:#C2410C}
@media (max-width:560px){.compare{grid-template-columns:1fr}}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.pager a{text-decoration:none;font-weight:700}
.pager small{display:block;color:var(--muted);font-weight:500}
.done-btn{width:100%;justify-content:center}
.done-btn[aria-pressed="true"]{background:var(--navy);color:var(--amber)}

/* ---------- Podcast ---------- */
.ep{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem}
.ep .num{width:3.2rem;height:3.2rem;border-radius:12px;background:var(--navy);color:var(--amber);display:grid;place-items:center;font-weight:850;font-size:1.1rem}
.ep audio{width:100%;margin-top:.5rem;height:40px}
.ep .meta{margin-top:.2rem}
.cover{border-radius:var(--radius);overflow:hidden;max-width:420px}

/* ---------- Formations ---------- */
.agenda{list-style:none;padding:0;margin:0;display:grid;gap:.1rem}
.agenda li{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px solid #ffffff1c;font-variant-numeric:tabular-nums}
.agenda li span:last-child{color:var(--cyan);white-space:nowrap}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.facts div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.9rem;text-align:center}
.facts strong{display:block;font-size:1.05rem}
@media (max-width:520px){.facts{grid-template-columns:1fr}}

/* ---------- Divers ---------- */
details.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem}
details.faq+details.faq{margin-top:.6rem}
details.faq summary{cursor:pointer;font-weight:700}
details.faq p{margin-top:.6rem;color:var(--muted)}
.gloss{display:grid;grid-template-columns:12rem 1fr;gap:.2rem 1.5rem;margin:0}
.gloss dt{font-weight:750;padding-top:.8rem;border-top:1px solid var(--line)}
.gloss dd{margin:0;padding-top:.8rem;border-top:1px solid var(--line);color:var(--muted)}
@media (max-width:600px){.gloss{grid-template-columns:1fr}.gloss dd{border-top:0;padding-top:.1rem}}
.src{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.src li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem}
.src small{display:block;color:var(--muted)}
.cta-band .wrap{display:flex;flex-wrap:wrap;gap:1.2rem;align-items:center;justify-content:space-between;padding-block:1.6rem}
.quote{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:750;line-height:1.3;max-width:44rem}
.quote em{font-style:normal;color:var(--amber)}
.stat strong{display:block;font-size:2.1rem;font-weight:850;color:var(--amber);font-variant-numeric:tabular-nums;line-height:1.1}

/* ---------- Pied de page ---------- */
.foot{background:var(--navy);color:var(--on-navy-muted);font-size:.92rem}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-block:2.4rem 1.2rem}
.foot a{color:var(--on-navy);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot ul{list-style:none;margin:.6rem 0 0;padding:0;display:grid;gap:.35rem}
.foot h4{margin:0;color:var(--on-navy);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.motto{letter-spacing:.3em;text-transform:uppercase;font-size:.78rem;text-align:center;padding:1rem 16px;border-top:1px solid #ffffff14;color:var(--on-navy)}
.motto b{color:var(--amber);font-weight:700}
.lite-toggle{display:flex;gap:.6rem;align-items:center;margin-top:1rem;cursor:pointer}
.lite-toggle input{width:1.1rem;height:1.1rem;accent-color:var(--amber)}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr}}

/* Mode léger : aucune image chargée */
html.lite .ph,html.lite .cover,html.lite .photo{display:none}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.top,.foot,.pillars,aside,.copy,.pager{display:none}.hero,.band{background:none;color:#000}body{background:#fff;color:#000}}