:root{
  --ink:#16201f; --ink-soft:#3a4744;
  --parch:#f4ecdc; --parch-deep:#ece0c8; --paper:#fbf6ea;
  --teal:#0d5f5a; --teal-deep:#073e3a; --teal-bright:#13837a;
  --gold:#b08534; --gold-bright:#cfa14a; --terra:#b5532e;
  --line:#d8c9a8; --line-soft:#e7dcc4;
  --green:#2e7d54; --red:#b5532e;
  --shadow:0 1px 2px rgba(20,32,31,.05),0 8px 30px -12px rgba(20,32,31,.18);
  --shadow-lift:0 20px 50px -20px rgba(7,62,58,.45);
  --r:14px; --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Outfit",system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E")}
::selection{background:var(--gold);color:#fff}
a{color:var(--teal)}

#progress{position:fixed;top:0;left:0;height:3px;width:0%;z-index:200;background:linear-gradient(90deg,var(--gold),var(--teal-bright));transition:width .15s linear}

/* header */
header.topbar{position:sticky;top:0;z-index:100;backdrop-filter:saturate(150%) blur(12px);background:rgba(251,246,234,.82);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:.7rem 1.5rem;display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.7rem;font-family:"Fraunces";font-weight:600;text-decoration:none;color:var(--ink)}
.brand .mark{width:34px;height:34px;border-radius:8px;flex:0 0 auto;background:linear-gradient(135deg,var(--teal),var(--teal-deep));display:grid;place-items:center;color:var(--gold-bright);font-size:1.15rem;box-shadow:inset 0 0 0 1px rgba(207,161,74,.4)}
.brand small{display:block;font-family:"Outfit";font-weight:400;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);line-height:1.2}
.modnav{margin-left:auto;display:flex;gap:.25rem;flex-wrap:wrap;align-items:center}
.modnav a{font-size:.74rem;font-weight:500;letter-spacing:.04em;text-decoration:none;color:var(--ink-soft);padding:.4rem .7rem;border-radius:99px;transition:.2s;border:1px solid transparent}
.modnav a:hover,.modnav a.active{color:var(--teal-deep);background:var(--parch);border-color:var(--line-soft)}
.modnav a.admin-link{border-color:var(--gold);color:var(--gold)}
.modnav a.admin-link:hover{background:var(--gold);color:#fff}

/* hero */
.hero{position:relative;z-index:1;overflow:hidden;color:var(--paper);background:radial-gradient(120% 130% at 80% -10%,var(--teal-bright) 0%,var(--teal) 32%,var(--teal-deep) 78%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.18;mix-blend-mode:overlay;pointer-events:none;background-image:repeating-linear-gradient(45deg,transparent 0 22px,rgba(255,255,255,.5) 22px 23px),repeating-linear-gradient(-45deg,transparent 0 22px,rgba(255,255,255,.5) 22px 23px)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:4.5rem 1.5rem 4rem;position:relative;z-index:2}
.kicker{display:inline-flex;align-items:center;gap:.6rem;font-family:"Spline Sans Mono";font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-bright);border:1px solid rgba(207,161,74,.45);padding:.4rem .9rem;border-radius:99px;margin-bottom:1.5rem}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--gold-bright);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}
.hero h1{font-family:"Fraunces";font-weight:600;font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.02;letter-spacing:-.02em;max-width:16ch}
.hero h1 em{font-style:italic;color:var(--gold-bright)}
.hero .sub{font-size:clamp(1rem,2vw,1.25rem);margin-top:1.3rem;max-width:52ch;color:rgba(244,236,220,.86);font-weight:300}
.hero-meta{display:flex;gap:2.4rem;margin-top:2.6rem;flex-wrap:wrap}
.hero-meta .m{font-size:.85rem}
.hero-meta .m b{display:block;font-family:"Fraunces";font-size:1.05rem;color:var(--gold-bright);font-weight:600}
.hero-meta .m span{color:rgba(244,236,220,.7);letter-spacing:.04em}
.obj{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);margin-top:3.2rem;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.obj .o{background:rgba(251,246,234,.96);padding:1.3rem 1.4rem}
.obj .o .n{font-family:"Spline Sans Mono";font-size:.72rem;color:var(--gold);letter-spacing:.1em}
.obj .o p{font-size:.92rem;color:var(--ink-soft);margin-top:.35rem}

/* layout */
main{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;position:relative;z-index:1}
.module{padding:4.2rem 0 1rem;scroll-margin-top:80px}
.mod-head{display:flex;align-items:flex-end;gap:1.2rem;margin-bottom:2rem;flex-wrap:wrap}
.mod-num{font-family:"Fraunces";font-size:clamp(3rem,8vw,5.2rem);line-height:.8;font-weight:300;color:var(--teal);opacity:.22;letter-spacing:-.04em}
.mod-titles h2{font-family:"Fraunces";font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:600;letter-spacing:-.01em;line-height:1.1}
.mod-titles .tag{font-family:"Spline Sans Mono";font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:.4rem}
.mod-rule{flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent);min-width:40px;margin-bottom:.6rem}

.platform{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:2.4rem;overflow:hidden;transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s}
.platform:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.pf-top{padding:1.5rem 1.7rem;border-bottom:1px solid var(--line-soft);background:linear-gradient(180deg,var(--parch) 0%,rgba(251,246,234,0) 100%)}
.pf-row{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}
.pf-badge{font-family:"Spline Sans Mono";font-size:.68rem;font-weight:600;letter-spacing:.08em;padding:.3rem .65rem;border-radius:7px;background:var(--teal-deep);color:var(--gold-bright);flex:0 0 auto}
.pf-top h3{font-family:"Fraunces";font-size:1.3rem;font-weight:600}
.pf-link{margin-left:auto}
.pf-link a{font-family:"Spline Sans Mono";font-size:.78rem;color:var(--teal);text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border:1px solid var(--line);border-radius:99px;transition:.2s}
.pf-link a:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.pf-desc{font-size:.95rem;color:var(--ink-soft);margin-top:.85rem;max-width:75ch}
.pf-instr{display:flex;gap:.6rem;align-items:flex-start;margin-top:1rem;font-size:.86rem;background:rgba(176,133,52,.08);border-inline-start:3px solid var(--gold);padding:.7rem .9rem;border-radius:0 8px 8px 0;color:var(--ink-soft)}
.pf-instr b{color:var(--gold)}
.pf-body{padding:.6rem 1.7rem 1.4rem}

/* question / answer */
.q{border-top:1px solid var(--line-soft);padding:1.25rem 0}
.q:first-child{border-top:none}
.q-head{display:flex;gap:.8rem;align-items:flex-start}
.q-num{flex:0 0 auto;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-family:"Spline Sans Mono";font-size:.8rem;font-weight:600;background:var(--paper);border:1.5px solid var(--teal);color:var(--teal)}
.q-text{font-size:.97rem;font-weight:500;color:var(--ink)}
.reveal-btn{margin-top:.85rem;margin-inline-start:calc(30px + .8rem);font-family:"Outfit";font-size:.8rem;font-weight:600;letter-spacing:.03em;cursor:pointer;background:none;border:1px solid var(--teal);color:var(--teal);padding:.42rem .95rem;border-radius:99px;display:inline-flex;align-items:center;gap:.5rem;transition:.22s}
.reveal-btn:hover{background:var(--teal);color:#fff}
.reveal-btn .chev{transition:transform .3s;display:inline-block}
.reveal-btn.open{background:var(--teal-deep);color:var(--gold-bright);border-color:var(--teal-deep)}
.reveal-btn.open .chev{transform:rotate(180deg)}
.answer{margin-top:0;margin-inline-start:calc(30px + .8rem);max-height:0;overflow:hidden;opacity:0;transition:max-height .5s cubic-bezier(.2,.8,.2,1),opacity .4s,margin-top .4s}
.answer.show{max-height:1400px;opacity:1;margin-top:.95rem}
.answer-card{background:linear-gradient(180deg,var(--parch) 0%,var(--parch-deep) 100%);border:1px solid var(--line);border-radius:10px;padding:1.1rem 1.25rem;position:relative}
.answer-card::before{content:"✓ Réponse attendue";position:absolute;top:-11px;inset-inline-start:14px;font-family:"Spline Sans Mono";font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;background:var(--teal);color:#fff;padding:.18rem .6rem;border-radius:6px}
.answer-card p{font-size:.9rem;color:var(--ink-soft);margin-top:.3rem}

/* locked state (client, when not discoverable) */
.q.locked .reveal-btn{display:none}
.locked-note{margin-top:.85rem;margin-inline-start:calc(30px + .8rem);display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;color:var(--ink-soft);font-style:italic;opacity:.75}
.locked-note .lk{font-style:normal}

/* synthesis */
.synth{background:radial-gradient(120% 140% at 0% 0%,var(--teal) 0%,var(--teal-deep) 70%);color:var(--paper);border-radius:18px;padding:2.6rem 2rem;margin:1rem 0 2rem;position:relative;overflow:hidden}
.synth::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(207,161,74,.25);box-shadow:0 0 0 30px rgba(207,161,74,.05)}
.synth h3{font-family:"Fraunces";font-size:1.6rem;font-weight:600;position:relative}
.synth .lead{color:rgba(244,236,220,.8);margin-top:.5rem;position:relative;font-weight:300}
.synth ol{margin:1.4rem 0 0;padding-inline-start:0;list-style:none;position:relative;display:grid;gap:.9rem}
.synth ol li{display:flex;gap:.9rem;font-size:.95rem;align-items:flex-start}
.synth ol li .ix{font-family:"Fraunces";font-size:1.1rem;color:var(--gold-bright);flex:0 0 auto;font-weight:600;line-height:1.5}
.synth .reveal-btn{border-color:var(--gold-bright);color:var(--gold-bright);margin-inline-start:0}
.synth .reveal-btn:hover{background:var(--gold-bright);color:var(--teal-deep)}
.synth .answer{margin-inline-start:0}
.synth .answer-card{background:rgba(255,255,255,.06);border-color:rgba(207,161,74,.3);backdrop-filter:blur(4px)}
.synth .answer-card::before{background:var(--gold);color:var(--teal-deep)}
.synth .answer-card p{color:rgba(244,236,220,.9)}
.synth .locked-note{margin-inline-start:0;color:rgba(244,236,220,.7)}

/* resources */
.resources{padding:3rem 0 1rem}
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.9rem;margin-top:1.5rem}
.res{display:flex;gap:.8rem;align-items:center;text-decoration:none;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:.9rem 1rem;transition:.25s}
.res:hover{border-color:var(--teal);transform:translateX(4px)}
.res .ri{width:34px;height:34px;border-radius:8px;flex:0 0 auto;display:grid;place-items:center;background:var(--parch);color:var(--teal);font-family:"Spline Sans Mono";font-size:.7rem;font-weight:600}
.res .rt b{display:block;font-size:.88rem;font-weight:600}
.res .rt span{font-size:.74rem;color:var(--gold);font-family:"Spline Sans Mono"}

footer{margin-top:3rem;border-top:1px solid var(--line);background:var(--parch);position:relative;z-index:1}
.foot-inner{max-width:var(--maxw);margin:0 auto;padding:2.2rem 1.5rem;display:flex;gap:1.5rem;justify-content:space-between;align-items:center;flex-wrap:wrap}
.foot-inner p{font-size:.82rem;color:var(--ink-soft)}
.foot-inner .sig{font-family:"Fraunces";font-style:italic;font-size:1rem;color:var(--teal-deep)}

/* Entrance animation, opt-in via JS so content stays visible even if the
   IntersectionObserver never fires (page-print, off-screen-at-load, no-JS, etc.). */
.ros{transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
html.js-anim .ros{opacity:0;transform:translateY(24px)}
html.js-anim .ros.in{opacity:1;transform:none}

@media(max-width:640px){.modnav{display:none}.hero-meta{gap:1.4rem}.pf-link{margin-left:0;width:100%}}