/* sections-b.css — IA (interrupteur), méthode (tracé), questionnaire, FAQ, à propos, récupération, CTA, footer */
@layer components {

/* ============================== IA : INTERRUPTEUR « À LA MAIN / AVEC L'IA » ============================== */
.ia-demo{
  margin-top:38px;padding:clamp(18px,2.6vw,28px);
  border:1px solid var(--hairline-dark);border-radius:12px;
  background:color-mix(in srgb,var(--ink-900) 22%,transparent);
}
.ia-demo-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px}
.ia-demo-tag{
  font-family:var(--font-body);font-weight:500;font-size:11.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark);
}
.ia-sw{display:flex;align-items:center;gap:12px}
.ia-sw-l{font-family:var(--font-display);font-weight:300;font-size:1.05rem;color:var(--muted-dark);transition:color .3s ease}
.ia-demo[data-state="hand"] #ia-l-hand,
.ia-demo[data-state="ai"] #ia-l-ai{color:var(--paper)}
.ia-switch{
  position:relative;flex:0 0 auto;width:68px;height:44px;border-radius:999px;
}
.ia-switch::before{
  content:"";position:absolute;inset:7px 0;border-radius:999px;
  border:1px solid var(--hairline-dark);background:var(--ink-800);
  transition:background-color .3s ease,border-color .3s ease;
}
.ia-switch[aria-checked="true"]::before{background:var(--orange);border-color:var(--orange)}
.ia-knob{
  position:absolute;top:11px;left:4px;width:22px;height:22px;border-radius:50%;
  background:var(--paper);transition:transform .35s cubic-bezier(.3,.7,.2,1);
}
.ia-switch[aria-checked="true"] .ia-knob{transform:translateX(36px);background:var(--ink-900)}
.ia-rows{margin-top:20px;border-top:1px solid var(--hairline-dark)}
.ia-rows li{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto 22px;
  gap:6px 16px;align-items:center;padding:16px 0;
  border-bottom:1px solid var(--hairline-dark);
}
.ia-rows li::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--orange-light);transform:scaleX(0);transform-origin:left;
  transition:transform .6s cubic-bezier(.3,.7,.2,1);transition-delay:calc(var(--r,0) * 120ms);
}
.ia-rows li:nth-child(2){--r:1}
.ia-rows li:nth-child(3){--r:2}
.ia-demo[data-state="ai"] .ia-rows li::after{transform:scaleX(1)}
.ia-row-q{font-family:var(--font-display);font-weight:300;font-size:1.12rem;line-height:1.3}
.ia-row-a{font-size:14.5px;color:var(--muted-dark);text-align:right;transition:color .3s ease}
.ia-demo[data-state="ai"] .ia-row-a{color:var(--orange-light)}
.ia-check{width:22px;height:22px}
.ia-check path{
  stroke:var(--orange-light);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:1;stroke-dashoffset:1;
  transition:stroke-dashoffset .5s ease;transition-delay:calc(var(--r,0) * 120ms + 200ms);
}
.ia-demo[data-state="ai"] .ia-check path{stroke-dashoffset:0}
@media (max-width:479px){
  .ia-rows li{grid-template-columns:minmax(0,1fr) 22px}
  .ia-row-a{grid-column:1;grid-row:2;text-align:left}
  .ia-check{grid-column:2;grid-row:1 / span 2}
}

/* Filet des 4 points : se dessine au passage (le filet statique reste sans JS) */
html.js .ia-points li{border-bottom-color:transparent;position:relative}
html.js .ia-points li::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--hairline-dark);transform:scaleX(0);transform-origin:left;
  transition:transform .9s cubic-bezier(.3,.7,.2,1);
}
html.js .ia-points li.drawn::after{transform:scaleX(1)}

/* ============================== MÉTHODE : TRACÉ + CHIFFRES ============================== */
.methode-grid{position:relative}
.methode-trace{position:absolute;pointer-events:none;overflow:visible}
.methode-trace path{
  fill:none;stroke:var(--orange-deep);stroke-width:1px;
  stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--tp,0));
}
.methode-trace-d{left:0;top:-52px;width:100%;height:72px}
.methode-trace-m{display:none;left:-12px;top:0;width:8px;height:100%}
@media (max-width:899px){
  .methode-trace-d{display:none}
  .methode-trace-m{display:block}
}
html:not(.js) .methode-trace{display:none}
html.js .methode-num{
  color:transparent;-webkit-text-stroke:1px rgba(18,15,11,.45);
  transition:color .6s ease,-webkit-text-stroke-color .6s ease;
}
html.js .methode-col.on .methode-num{color:var(--orange-deep);-webkit-text-stroke-color:var(--orange-deep)}
@supports (animation-timeline:view()){
  .methode-trace path{
    stroke-dashoffset:1;animation:trace linear both;
    animation-timeline:view();animation-range:entry 15% cover 60%;
  }
  @keyframes trace{to{stroke-dashoffset:0}}
}

/* ============================== PAR OÙ COMMENCER ============================== */
.commencer{background:var(--paper)}
.cmc-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(36px,6vw,96px);align-items:start}
@media (max-width:899px){.cmc-grid{grid-template-columns:1fr}}
.cmc-fallback{display:grid;gap:22px;justify-items:start}
.cmc-fallback p{max-width:48ch;font-size:18px;color:var(--muted)}
html.js .cmc-fallback{display:none}
.quiz{
  padding:clamp(20px,3vw,40px);border:1px solid var(--hairline);border-radius:14px;
  background:color-mix(in srgb,var(--champagne) 34%,var(--paper));
}
.quiz-dots{display:flex;gap:10px;margin-bottom:24px}
.quiz-dots li{width:34px;height:4px;border-radius:2px;background:var(--hairline);transition:background-color .4s ease}
.quiz[data-step="1"] .quiz-dots li:nth-child(-n+1),
.quiz[data-step="2"] .quiz-dots li:nth-child(-n+2),
.quiz[data-step="3"] .quiz-dots li:nth-child(-n+3),
.quiz[data-step="4"] .quiz-dots li{background:var(--orange-deep)}
.q-step{border:0;margin:0;padding:0;min-width:0}
.q-step legend{
  padding:0;margin-bottom:22px;max-width:30ch;
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;letter-spacing:-0.01em;
}
.q-n{
  display:block;margin-bottom:10px;
  font-family:var(--font-body);font-weight:500;font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--orange-deep);
}
.q-opt{display:block;position:relative;margin-top:10px;cursor:pointer}
.q-opt input{position:absolute;inset:0;opacity:0;margin:0;width:100%;height:100%;cursor:pointer}
.q-opt span{
  display:flex;align-items:center;gap:14px;min-height:56px;padding:12px 18px;
  border:1px solid var(--hairline);border-radius:10px;background:var(--paper);
  font-size:16.5px;line-height:1.35;
  transition:border-color .25s ease,background-color .25s ease,transform .25s ease;
}
.q-opt span::before{
  content:"";flex:0 0 18px;width:18px;height:18px;border-radius:50%;
  border:1.5px solid var(--muted);background:transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.q-opt input:checked + span{border-color:var(--ink-900);background:var(--champagne)}
.q-opt input:checked + span::before{
  border-color:var(--orange-deep);background:var(--orange-deep);
  box-shadow:inset 0 0 0 3px var(--champagne);
}
.q-opt input:focus-visible + span{outline:2px solid var(--orange);outline-offset:3px}
.q-step.in,.q-result.in{animation:q-in .5s cubic-bezier(.2,.7,.2,1) both}
@keyframes q-in{from{opacity:0;transform:translateY(14px)}}
.quiz-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.quiz-nav[hidden]{display:none}
.quiz-nav .btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.q-result{display:grid;gap:16px;justify-items:start}
.q-result[hidden],.quiz .btn[hidden]{display:none}
.q-result:focus{outline:none}
.q-res-title{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.7rem,3.2vw,2.6rem);line-height:1.12;letter-spacing:-0.015em;
}
.q-res-text{max-width:52ch;font-size:18px;color:#5C5445}
.q-res-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.q-note{font-size:14px;color:var(--muted)}
@media (max-width:599px){.q-res-actions .btn,.quiz-nav .btn{width:100%}}

/* ============================== QUESTIONS (FAQ) ============================== */
.faq{background:var(--paper);border-top:1px solid var(--hairline)}
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(36px,6vw,96px);align-items:start}
.faq-grid .section-head{position:sticky;top:110px}
@media (max-width:899px){
  .faq-grid{grid-template-columns:1fr}
  .faq-grid .section-head{position:static}
}
.faq-list{border-top:1px solid var(--hairline)}
.faq details{border-bottom:1px solid var(--hairline);interpolate-size:allow-keywords}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 4px;cursor:pointer;list-style:none;
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.15rem,1.9vw,1.45rem);line-height:1.3;letter-spacing:-0.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq-ico{position:relative;flex:0 0 22px;width:22px;height:22px;transition:transform .4s cubic-bezier(.3,.7,.2,1)}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:3px;right:3px;top:50%;height:1.5px;margin-top:-.75px;
  background:var(--orange-deep);
}
.faq-ico::after{transform:rotate(90deg)}
.faq details[open] .faq-ico{transform:rotate(45deg)}
.faq-a{padding:0 44px 24px 4px;max-width:60ch;color:var(--muted);font-size:17px}
.faq-a a{color:var(--orange-deep);font-weight:600}
@supports (selector(::details-content)){
  .faq details::details-content{
    block-size:0;overflow:clip;
    transition:block-size .4s cubic-bezier(.3,.7,.2,1),content-visibility .4s allow-discrete;
  }
  .faq details[open]::details-content{block-size:auto}
}
@media (hover:hover) and (pointer:fine){
  .faq summary:hover{color:var(--orange-deep)}
}

/* ============================== À PROPOS : TITRE QUI S'ILLUMINE ============================== */
html.js .why-title .w{display:inline-block}
html.js .why-title[data-split] .wi{display:inline-block;opacity:.18;transition:opacity .6s ease}
html.js .why-title[data-split] .wi.lit{opacity:1}
@supports (animation-timeline:view()){
  html.js .why-title[data-split] .wi{
    opacity:.18;transition:none;animation:why-lit linear both;
    animation-timeline:view();animation-range:entry 55% entry 115%;
  }
  @keyframes why-lit{to{opacity:1}}
}

/* ============================== BANDE DE RÉCUPÉRATION : PULSATION ============================== */
.rescue .btn{position:relative}
.rescue .btn::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  border:2px solid var(--ink-900);pointer-events:none;
  animation:rescue-pulse 2.8s ease-out infinite;
}
@keyframes rescue-pulse{
  0%{transform:scale(1);opacity:.55}
  75%,100%{transform:scale(1.18,1.4);opacity:0}
}

/* ============================== CTA FINAL ============================== */
.cta-actions .btn[data-mail].copied{border-color:var(--orange-light);color:var(--orange-light)}

/* ============================== FOOTER : COLONNES EN DOUCEUR ============================== */
html.js .footer-col.reveal:nth-child(2){transition-delay:.12s}
html.js .footer-col.reveal:nth-child(3){transition-delay:.24s}

/* ============================== IA : DEUX COMPÉTENCES (#ia) ET IA DANS LE WEB (#ia-web) ============================== */
.ia-fork{margin-bottom:clamp(56px,8vw,104px)}
.ia-fork>.sec-label{margin:0 0 clamp(20px,3vw,32px)}
.ia-cards{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
@media (max-width:759px){.ia-cards{grid-template-columns:1fr}}
.ia-card{
  display:flex;flex-direction:column;align-items:flex-start;height:100%;
  padding:clamp(26px,3.4vw,44px);border:1px solid var(--hairline-dark);
  color:var(--paper);text-decoration:none;
  transition:border-color .3s ease,background-color .3s ease;
}
.ia-card:hover,.ia-card:focus-visible{border-color:var(--orange-light);background:rgba(247,243,234,.04)}
.ia-card-tag{margin-bottom:16px;font-weight:500;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange-light)}
.ia-card h3{margin:0 0 14px;font-family:var(--font-display);font-weight:300;font-size:clamp(1.7rem,2.8vw,2.4rem);line-height:1.12;letter-spacing:-0.01em}
.ia-card p{margin:0 0 30px;max-width:34ch;font-size:17px;line-height:1.55;color:var(--muted-dark);text-wrap:balance}
.ia-card-go{margin-top:auto;display:inline-flex;gap:8px;padding-bottom:3px;border-bottom:1px solid var(--orange-light);font-weight:500;font-size:15px}
.ia-card-go span{display:inline-block;transition:transform .3s ease}
.ia-card:hover .ia-card-go span,.ia-card:focus-visible .ia-card-go span{transform:translateX(5px)}
.iw .sec-title,.iw .sec-intro{text-wrap:balance}
.iw-list{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px)}
@media (max-width:899px){.iw-list{grid-template-columns:1fr}}
.iw-list li{padding-top:26px;border-top:1px solid var(--hairline-dark)}
@media (min-width:900px){.iw-list h3{min-height:2.4em}}
.iw-num{display:block;margin-bottom:10px;font-weight:500;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange-light)}
.iw-list h3{margin:0 0 12px;font-family:var(--font-display);font-weight:300;font-size:clamp(1.35rem,2vw,1.7rem);line-height:1.2;letter-spacing:-0.01em;color:var(--paper)}
.iw-list p{margin:0;max-width:30ch;font-size:17px;line-height:1.55;color:var(--muted-dark);text-wrap:balance}
.iw-cta{margin-top:clamp(40px,6vw,72px)}
@media (prefers-reduced-motion:reduce){.ia-card,.ia-card-go span{transition:none}.ia-card:hover .ia-card-go span{transform:none}}

/* ============================== IA PERSONNALISÉE (#sur-mesure) : choisir un besoin, voir l'IA qui s'y adapte ============================== */
.sm{background:var(--paper)}
.sm .sec-title,.sm .sec-intro,.sm-more,.sm-steps-list p{text-wrap:balance}
.sm-pick{--sm-row:3.75rem;display:grid;gap:clamp(32px,5vw,72px);align-items:stretch}
@media (min-width:900px){
  .sm-pick{--sm-row:4.375rem;grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
}
.sm-needs{border:0;margin:0;padding:0;min-width:0}
.sm-q{
  padding:0;margin-bottom:26px;max-width:24ch;
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;letter-spacing:-0.01em;
}
/* Règle graduée à gauche : un trait long par rang, quatre traits courts entre deux ; l'aiguille orange glisse jusqu'au besoin choisi */
.sm-opts{position:relative;padding-left:44px}
.sm-opts::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:44px;pointer-events:none;opacity:.3;
  background:
    repeating-linear-gradient(to bottom,var(--ink-900) 0 1px,transparent 1px var(--sm-row)) left top/20px 100% no-repeat,
    repeating-linear-gradient(to bottom,var(--ink-900) 0 1px,transparent 1px calc(var(--sm-row) / 5)) left top/8px 100% no-repeat;
}
.sm-opts::after{
  content:"";position:absolute;left:0;width:36px;height:10px;pointer-events:none;
  top:calc((var(--sm-i,0) + .5) * var(--sm-row) - 5px);
  background:
    linear-gradient(var(--orange),var(--orange)) left center/30px 2px no-repeat,
    radial-gradient(circle,var(--orange) 0 4px,transparent 4.5px) right center/10px 10px no-repeat;
  transition:top .55s cubic-bezier(.3,.7,.2,1);
}
.sm-pick:has(#sm-r2:checked){--sm-i:1}
.sm-pick:has(#sm-r3:checked){--sm-i:2}
.sm-pick:has(#sm-r4:checked){--sm-i:3}
.sm-opt{display:block;position:relative;height:var(--sm-row);cursor:pointer}
.sm-opt input{position:absolute;inset:0;opacity:0;margin:0;width:100%;height:100%;cursor:pointer}
.sm-opt span{
  display:flex;align-items:center;justify-content:space-between;gap:16px;height:100%;padding:0 6px;
  border-bottom:1px solid var(--hairline);
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.3rem,2.2vw,1.85rem);line-height:1.15;letter-spacing:-0.01em;
  color:var(--muted);transition:color .3s ease;
}
.sm-opt span::after{
  content:"→";content:"→" / "";
  font-family:var(--font-body);font-size:1.1rem;color:var(--orange-deep);opacity:.25;
  transition:opacity .3s ease,transform .4s cubic-bezier(.2,.7,.2,1);
}
.sm-opt input:checked + span{color:var(--ink-900)}
.sm-opt input:checked + span::after{opacity:1;transform:translateX(4px)}
.sm-opt input:focus-visible + span{outline:2px solid var(--orange);outline-offset:-2px}
@media (hover:hover) and (pointer:fine){
  .sm-opt:hover input:not(:checked) + span{color:var(--ink-900)}
  .sm-opt:hover input:not(:checked) + span::after{opacity:.6}
}
.sm-panels{
  position:relative;padding:clamp(26px,4vw,56px);
  border:1px solid var(--hairline);border-radius:14px;
  background:color-mix(in srgb,var(--champagne) 34%,var(--paper));
}
.sm-say{
  position:relative;margin:0 0 20px;padding-top:26px;
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.55rem,2.7vw,2.4rem);line-height:1.18;letter-spacing:-0.015em;text-wrap:balance;
}
.sm-say::before{content:"";position:absolute;left:0;top:0;width:40px;height:2px;background:var(--orange)}
.sm-more{margin:0;max-width:38ch;font-size:18px;line-height:1.55;color:#5C5445}
/* Sans :has() les quatre réponses restent lisibles, l'une sous l'autre */
.sm-panel + .sm-panel{margin-top:clamp(24px,3vw,36px);padding-top:clamp(24px,3vw,36px);border-top:1px solid var(--hairline)}
@supports selector(:has(*)){
  .sm-panels{display:grid;align-content:center}
  .sm-panel{
    grid-area:1/1;align-self:start;
    visibility:hidden;opacity:0;transform:translateY(14px);
    transition:opacity .3s ease,transform .5s cubic-bezier(.2,.7,.2,1),visibility 0s .3s;
  }
  .sm-panel + .sm-panel{margin-top:0;padding-top:0;border-top:0}
  .sm-pick:has(#sm-r1:checked) #sm-p1,
  .sm-pick:has(#sm-r2:checked) #sm-p2,
  .sm-pick:has(#sm-r3:checked) #sm-p3,
  .sm-pick:has(#sm-r4:checked) #sm-p4{
    visibility:visible;opacity:1;transform:none;
    transition-delay:.18s,.18s,0s;
  }
}
@supports not selector(:has(*)){
  .sm-opts::after{display:none}
}
/* Quatre temps pour installer l'IA : un filet qui se dessine, un point par étape */
.sm-steps{margin-top:clamp(64px,9vw,120px)}
.sm-steps-title{
  margin:0 0 clamp(28px,4vw,48px);
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;letter-spacing:-0.01em;
}
.sm-steps-list{
  position:relative;margin:0;padding:0;list-style:none;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(24px,3vw,44px);
}
.sm-steps-list::before{content:"";position:absolute;left:0;right:0;top:4px;height:1px;background:var(--ink-900);opacity:.5}
.sm-steps-list li{position:relative;padding-top:30px}
.sm-steps-list li::before{
  content:"";position:absolute;left:0;top:0;width:9px;height:9px;border-radius:50%;
  background:var(--orange);box-shadow:0 0 0 5px var(--paper);
}
.sm-num{
  display:block;margin-bottom:8px;
  font-weight:500;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange-deep);
}
.sm-steps-list h4{
  margin:0 0 10px;font-family:var(--font-display);font-weight:400;
  font-size:clamp(1.35rem,2vw,1.7rem);line-height:1.2;letter-spacing:-0.01em;
}
.sm-steps-list p{margin:0;max-width:28ch;font-size:17px;line-height:1.55;color:var(--muted)}
html.js .sm-steps-list::before{transform:scaleX(0);transform-origin:left center;transition:transform 1.3s cubic-bezier(.3,.7,.2,1) .2s}
html.js .sm-steps.revealed .sm-steps-list::before{transform:scaleX(1)}
html.js .sm-steps-list li::before{transform:scale(0);transition:transform .5s cubic-bezier(.3,1.4,.4,1) calc(.25s + var(--k,0) * .3s)}
html.js .sm-steps.revealed .sm-steps-list li::before{transform:scale(1)}
.sm-steps-list li:nth-child(2){--k:1}
.sm-steps-list li:nth-child(3){--k:2}
.sm-steps-list li:nth-child(4){--k:3}
@media (max-width:899px){
  .sm-steps-list{grid-template-columns:1fr;gap:28px}
  .sm-steps-list::before{left:4px;right:auto;top:6px;bottom:6px;width:1px;height:auto}
  html.js .sm-steps-list::before{transform:scaleY(0);transform-origin:center top}
  html.js .sm-steps.revealed .sm-steps-list::before{transform:scaleY(1)}
  .sm-steps-list li{padding:0 0 0 38px}
  .sm-steps-list li::before{top:5px}
}
.sm-cta{margin-top:clamp(40px,5vw,60px)}
}

/* ============================== MOUVEMENT RÉDUIT ============================== */
@media (prefers-reduced-motion:reduce){
  html.js .methode-num{color:var(--orange-deep);-webkit-text-stroke-color:var(--orange-deep)}
  .methode-trace path{stroke-dashoffset:0!important}
  html.js .why-title[data-split] .wi{opacity:1}
  html.js .ia-points li::after{transform:scaleX(1)}
  .q-step.in,.q-result.in{animation:none}
}