/* Live chez Serge · DA Louis corrigée (voir DESIGN.md).
   Bleu vif = interactif et focus uniquement ; texte en bleu assombri (#1A5FB4) pour passer AA.
   Orange Claude = la mascotte seulement. Vert = une réussite, rouge = un dépassement : jamais décoratifs. */
:root{
  --bg:#EDF0F0; --paper:#FBFBF8; --white:#FFFFFF; --ink:#03256C; --muted:#4A5570; --rule:#C9D1D6;
  --blue:#3694F7; --blue-text:#1A5FB4; --blue-soft:#E3EEFB;
  --pos:#38BB33; --pos-text:#237A20; --neg:#FF3236; --neg-text:#B3141A;
  --claude:#D97757; --claude-dark:#8A3D22;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3",-apple-system,"Segoe UI",sans-serif;
  --r-s:4px; --r-m:10px;
}
*{box-sizing:border-box}
html{scroll-padding-top:24px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--blue-text);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;margin:0}
p{margin:0 0 12px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.small{font-size:15px;color:var(--muted)}
svg.mini{width:20px;height:12px;fill:var(--claude);flex:none}

/* Barre du haut */
.bar{border-bottom:1px solid var(--rule)}
.bar-in{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:52px;font-size:15px;color:var(--muted)}
.bar-left{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink)}

/* Hero */
.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:72px;padding-bottom:24px}
.hero h1{font-size:clamp(40px,6vw,72px);letter-spacing:-.5px;margin-bottom:24px}
.lead{font-size:clamp(19px,2vw,22px);max-width:34em;color:var(--ink)}
.cta{display:inline-flex;align-items:baseline;gap:14px;margin-top:20px;padding:16px 24px;border-radius:var(--r-s);
  background:var(--ink);color:#fff;text-decoration:none;font-weight:700;font-size:18px;transition:transform .15s ease,background .15s ease}
.cta:hover{background:#0A3A94;transform:translateY(-1px)}
.cta-meta{font-weight:400;font-size:15px;color:#C9D6F0}

.card-host{background:var(--paper);border:1px solid var(--rule);border-radius:var(--r-m);padding:28px;text-align:center}
.photo{width:148px;height:148px;border-radius:50%;object-fit:cover;border:4px solid var(--white);outline:1px solid var(--rule)}
.host-name{font:600 24px var(--serif);margin:14px 0 0}
.host-role{color:var(--muted);margin:2px 0 20px}
.facts{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;margin:0;text-align:left;border-top:1px solid var(--rule);padding-top:18px;font-size:16px}
.facts dt{color:var(--muted)}
.facts dd{margin:0;font-weight:600}

/* Scène Claude */
.arena-wrap{padding-top:24px}
.arena-caption{text-align:center;font-size:15px;color:var(--muted);margin-top:4px}
.arena{position:relative;width:100%;height:110px;overflow:hidden;pointer-events:none;--ground:14px}
.arena .ground{position:absolute;left:0;right:0;bottom:var(--ground);height:1px;background:var(--rule)}
.arena .archer{position:absolute;left:30px;bottom:var(--ground);width:60px;height:44px;animation:archer-idle 2.4s ease-in-out infinite}
.arena .archer-body{position:absolute;left:0;bottom:0;width:45px;height:27px;fill:var(--claude)}
.arena .bow{position:absolute;left:40px;bottom:6px;width:12px;height:26px;overflow:visible;transition:transform .35s ease;transform-origin:0 50%}
.arena .archer.aiming .bow{transform:rotate(-12deg)}
@keyframes archer-idle{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
.arena .enemy{position:absolute;left:0;bottom:var(--ground);width:30px;height:42px;will-change:transform}
.arena .enemy .logo{position:absolute;left:0;bottom:6px;width:30px;height:30px;transition:transform .45s cubic-bezier(.5,-.4,.7,1.4),opacity .6s ease .9s;transform-origin:50% 100%}
.arena .enemy .eyes{position:absolute;left:8px;top:0;display:flex;gap:4px;transition:opacity .2s}
.arena .enemy .eyes i{width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:inset 1px 0 0 1.5px #1c1c1c,0 0 0 1px rgba(0,0,0,.15)}
.arena .enemy .legs{position:absolute;left:9px;bottom:0;width:12px;height:7px}
.arena .enemy .legs b{position:absolute;bottom:0;width:2px;height:7px;background:var(--muted);border-radius:1px;transform-origin:50% 0;animation:leg .36s ease-in-out infinite alternate}
.arena .enemy .legs b:first-child{left:2px}
.arena .enemy .legs b:last-child{right:2px;animation-delay:-.18s}
@keyframes leg{from{transform:rotate(22deg)}to{transform:rotate(-22deg)}}
.arena .enemy.dead .legs,.arena .enemy.dead .eyes{opacity:0}
.arena .enemy.dead .logo{transform:rotate(-90deg) translate(-2px,-2px);opacity:0}
.arena .enemy.dead::after{content:"×  ×";position:absolute;left:6px;top:-2px;font:700 9px/1 var(--sans);color:#1c1c1c;white-space:pre;animation:fade-out .5s ease .25s forwards}
.arena .enemy .stuck{position:absolute;left:12px;top:18px;width:16px;height:2px;background:var(--claude-dark);transform:rotate(-8deg);animation:fade-out .6s ease .9s forwards}
@keyframes fade-out{to{opacity:0}}
.arena .arrow{position:absolute;left:0;bottom:var(--ground);width:18px;height:2px;background:var(--claude-dark);border-radius:1px;will-change:transform}
.arena .arrow::before{content:"";position:absolute;right:-5px;top:-3px;border:4px solid transparent;border-left:6px solid var(--claude)}
.arena .puff{position:absolute;bottom:calc(var(--ground) + 8px);width:6px;height:6px;margin-left:-3px;border-radius:50%;
  box-shadow:-9px -4px 0 0 #cfd6de,9px -5px 0 0 #cfd6de,0 -11px 0 0 #cfd6de,-5px 5px 0 -1px #dfe5e5,6px 5px 0 -1px #dfe5e5;animation:puff .8s ease-out forwards}
@keyframes puff{from{transform:scale(.4);opacity:1}to{transform:scale(1.8) translateY(-6px);opacity:0}}
.arena .up{display:none}
.arena .gain{position:absolute;bottom:calc(var(--ground) + 44px);font:700 14px/1 var(--sans);color:var(--pos-text);white-space:nowrap;animation:gain-rise 2.1s ease-out forwards}
@keyframes gain-rise{0%{opacity:0;transform:translateY(8px)}15%{opacity:1;transform:translateY(0)}75%{opacity:1}100%{opacity:0;transform:translateY(-22px)}}
.arena .total{position:absolute;right:0;top:4px;padding:4px 10px;border-radius:var(--r-s);background:var(--white);border:1px solid var(--rule);border-left:3px solid var(--pos);font:700 14px/1.2 var(--sans);color:var(--pos-text);white-space:nowrap}
.arena .total[hidden]{display:none}
.arena .total.bump{animation:bump .45s ease}
@keyframes bump{40%{transform:scale(1.06)}}

/* Clients */
.clients{padding-top:56px;text-align:center}
.section-label{font:600 16px var(--sans);color:var(--muted);margin-bottom:18px}
.logos{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 40px}
.logos li{font:600 clamp(22px,2.6vw,30px)/1.3 var(--serif);color:var(--ink);opacity:.82}
.clients-note{margin-top:18px;color:var(--muted);font-size:16px}

/* Cas */
.cases{padding-top:96px}
.cases > h2{font-size:clamp(30px,4vw,44px);margin-bottom:40px;border-top:3px solid var(--ink);padding-top:18px}
.case{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center;padding:40px 0;border-bottom:1px solid var(--rule)}
.case h3{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px}
.case p{color:var(--muted)}
.demo{background:var(--white);border:1px solid var(--rule);border-radius:var(--r-m);padding:22px;min-height:190px}

.prompt{font:16px/1.5 ui-monospace,"SF Mono",Menlo,monospace;background:var(--bg);border-radius:var(--r-s);padding:14px;min-height:74px;color:var(--ink)}
.caret{display:inline-block;width:8px;height:18px;background:var(--claude);vertical-align:-3px;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.answer{list-style:none;margin:14px 0 0;padding:0;font-size:16px}
.answer li{padding:6px 0 6px 18px;position:relative;opacity:0;transform:translateY(6px);transition:opacity .4s ease,transform .4s ease}
.answer li::before{content:"";position:absolute;left:2px;top:15px;width:6px;height:6px;border-radius:50%;background:var(--claude)}
.case.shown .answer.go li{opacity:1;transform:none}
.answer li:nth-child(2){transition-delay:.25s}.answer li:nth-child(3){transition-delay:.5s}

.bar-row{display:grid;grid-template-columns:80px 1fr;align-items:center;gap:4px 12px;margin-bottom:12px;font-size:15px}
.bar-row span{color:var(--muted)}
.bar-row i{display:block;height:12px;border-radius:2px;background:var(--blue);width:0;transition:width .9s cubic-bezier(.2,.8,.2,1)}
.bar-row b{grid-column:2;font-weight:600;font-size:14px}
.bar-row.over i{background:var(--neg)}
.bar-row.over b{color:var(--neg-text)}
.case.shown .bar-row i{width:var(--w)}
.bar-row:nth-child(2) i{transition-delay:.12s}.bar-row:nth-child(3) i{transition-delay:.24s}.bar-row:nth-child(4) i{transition-delay:.36s}

.step-src{font-weight:600;margin-bottom:12px;padding:10px 12px;border:1px dashed var(--rule);border-radius:var(--r-s)}
.demo-steps ol{list-style:none;margin:0;padding:0}
.demo-steps li{display:flex;align-items:center;gap:12px;padding:9px 0;font-size:16px;opacity:.35;transition:opacity .35s ease}
.demo-steps li::before{content:"";width:22px;height:22px;border-radius:50%;border:2px solid var(--rule);flex:none;transition:all .35s ease;
  background:center/12px no-repeat}
.case.shown .demo-steps li{opacity:1}
.case.shown .demo-steps li::before{border-color:var(--pos);background-color:var(--pos);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")}
.demo-steps li:nth-child(1),.demo-steps li:nth-child(1)::before{transition-delay:.3s}
.demo-steps li:nth-child(2),.demo-steps li:nth-child(2)::before{transition-delay:.8s}
.demo-steps li:nth-child(3),.demo-steps li:nth-child(3)::before{transition-delay:1.3s}

.voice{display:flex;align-items:center;gap:12px;background:var(--bg);border-radius:20px;padding:8px 14px;width:max-content;max-width:100%}
.play{width:0;height:0;border-left:11px solid var(--ink);border-top:7px solid transparent;border-bottom:7px solid transparent}
.wave{display:flex;align-items:center;gap:3px;height:24px}
.wave i{width:3px;border-radius:2px;background:var(--ink);height:30%;opacity:.7}
.case.shown .wave i{animation:wave 1.1s ease-in-out infinite}
.wave i:nth-child(3n){height:70%}.wave i:nth-child(4n){height:50%}.wave i:nth-child(5n){height:90%}
.wave i:nth-child(2n){animation-delay:-.3s}.wave i:nth-child(3n){animation-delay:-.6s}
@keyframes wave{50%{transform:scaleY(.45)}}
.dur{font-size:14px;color:var(--muted)}
.quote-doc{margin-top:16px;border:1px solid var(--rule);border-radius:var(--r-s);padding:14px;opacity:0;transform:translateY(8px);transition:all .5s ease .6s}
.case.shown .quote-doc{opacity:1;transform:none}
.doc-title{font:600 17px var(--serif);margin-bottom:8px}
.doc-line{display:flex;justify-content:space-between;gap:12px;font-size:15px;margin:0 0 4px;color:var(--muted)}

/* Conviction */
.conviction{padding-top:96px;max-width:900px}
.conviction .big{font:400 clamp(24px,3vw,32px)/1.35 var(--serif);color:var(--ink)}
.conviction .stake{font-size:19px;border-left:3px solid var(--neg);padding-left:16px;margin-top:24px}

/* Questionnaire */
.form-section{margin-top:96px;background:var(--ink);color:#fff;padding:80px 0}
.form-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start}
.form-intro h2{font-size:clamp(30px,4vw,44px);margin-bottom:18px;color:#fff}
.form-intro p{color:#D5DEF0}
.form-intro .small{color:#B8C6E4;border-top:1px solid rgba(255,255,255,.2);padding-top:14px;margin-top:20px}

.wizard{background:var(--paper);color:var(--ink);border-radius:var(--r-m);padding:32px;position:relative;min-height:420px;display:flex;flex-direction:column}
.progress{height:4px;background:var(--rule);border-radius:2px;overflow:hidden}
.progress i{display:block;height:100%;width:0;background:var(--blue);transition:width .4s ease}
.step-count{font-size:14px;color:var(--muted);margin:10px 0 18px}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.step{border:0;margin:0;padding:0;min-width:0}
.step legend{font:600 clamp(22px,2.4vw,28px)/1.2 var(--serif);margin-bottom:18px;padding:0}
.step.enter{animation:step-in .35s ease both}
.step.enter.back{animation-name:step-in-back}
@keyframes step-in{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}
@keyframes step-in-back{from{opacity:0;transform:translateX(-24px)}to{opacity:1;transform:none}}
.hint{color:var(--muted);font-size:16px;margin-top:-8px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:block;margin-bottom:16px}
.field > span,.field-label{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.field em{font-style:normal;font-weight:400;color:var(--muted)}
input[type=text],input:not([type]),input[type=email],input[type=tel],textarea{width:100%;font:inherit;font-size:17px;color:var(--ink);background:var(--white);
  border:1px solid #AEB9C2;border-radius:var(--r-s);padding:12px 14px;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical;min-height:84px}
input:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
input.invalid,textarea.invalid{border-color:var(--neg);box-shadow:0 0 0 3px #FDE3E3}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.chips button{font:inherit;font-size:16px;color:var(--ink);background:var(--white);border:1px solid #AEB9C2;border-radius:20px;padding:9px 16px;cursor:pointer;
  transition:transform .12s ease,background .15s,border-color .15s,color .15s}
.chips button:hover{border-color:var(--ink)}
.chips button:active{transform:scale(.96)}
.chips button[aria-pressed="true"],.chips button[aria-checked="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chips.small-chips button{font-size:14px;padding:6px 12px}

.task{border:1px solid var(--rule);border-radius:var(--r-m);padding:16px;margin-bottom:12px;background:var(--white);animation:step-in .3s ease both}
.task-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.task-head b{font-size:15px}
.task-remove{font:inherit;font-size:14px;background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;padding:2px}
.task .field-label{font-weight:400;color:var(--muted);margin:10px 0 6px}
.task .chips{margin-bottom:0}
.add-task{font:inherit;font-size:16px;font-weight:600;color:var(--blue-text);background:none;border:1px dashed #AEB9C2;border-radius:var(--r-m);padding:12px;width:100%;cursor:pointer}
.add-task:hover{border-color:var(--blue-text)}
.add-task[hidden]{display:none}

.consent{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);margin-top:8px;cursor:pointer}
.consent input{width:20px;height:20px;margin-top:2px;flex:none;accent-color:var(--ink)}

.form-error{color:var(--neg-text);font-size:15px;font-weight:600;margin:4px 0 0}
.nav{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding-top:22px}
.btn-next,.btn-back{font:inherit;font-size:17px;font-weight:700;border-radius:var(--r-s);padding:13px 24px;cursor:pointer;transition:transform .12s ease,background .15s}
.btn-next{background:var(--ink);color:#fff;border:0;margin-left:auto}
.btn-next:hover{background:#0A3A94}
.btn-next:active,.btn-back:active{transform:scale(.97)}
.btn-next[disabled]{opacity:.6;cursor:wait}
.btn-back{background:none;border:1px solid #AEB9C2;color:var(--ink)}
.kbd-hint{font-size:13px;color:var(--muted);text-align:right;margin:8px 0 0}

.done{text-align:center;padding:24px 0;outline:none}
.done h3{font-size:32px;margin:10px 0 12px}
.done-clawd{width:90px;height:54px;fill:var(--claude);animation:hop .9s ease-in-out 3}
@keyframes hop{0%,100%{transform:translateY(0)}40%{transform:translateY(-16px)}}

.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:28px 20px 40px;font-size:15px;color:var(--muted)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .answer li,.quote-doc,.demo-steps li{opacity:1;transform:none}
  .bar-row i{width:var(--w)}
}
@media (max-width:860px){
  .hero,.case,.form-grid{grid-template-columns:1fr;gap:28px}
  .hero{padding-top:44px}
  .card-host{max-width:440px}
  .case{padding:32px 0}
  .form-section{padding:56px 0}
  .wizard{padding:22px}
}
@media (max-width:520px){
  body{font-size:17px}
  .row2{grid-template-columns:1fr}
  .bar-right{display:none}
  .arena{height:90px}
  .arena .archer{left:14px}
  .logos{gap:6px 22px}
  .kbd-hint{display:none}
}