/* Simul'Aides : design system
   Surface : Configure (assistant en 3 étapes) précédé d'un court bloc Learn.
   Public : seniors, aidants, propriétaires → texte grand, contrastes forts, cibles ≥ 48px. */
@font-face{font-family:'Fraunces';font-style:normal;font-weight:600 700;font-display:swap;src:url(/fonts/fraunces.woff2) format('woff2')}
@font-face{font-family:'Source Sans 3';font-style:normal;font-weight:400 700;font-display:swap;src:url(/fonts/sourcesans3.woff2) format('woff2')}

:root{
  --paper:#f6f2ea; --surface:#fffdf9; --sunk:#efe9de;
  --ink:#1b2420; --ink-2:#3c4a44; --mut:#6b766f; --line:#e3dccf; --line-2:#d3cab9;
  --green:#1d5c48; --green-2:#2f7a5f; --green-soft:#e4efe8;
  --cta:#d9480f; --cta-2:#b93d0c;
  --ok:#2b7a4b; --ok-soft:#e3f1e7; --maybe:#a15c07; --maybe-soft:#fbefd9; --no:#7b8580; --no-soft:#eeece7;
  --r:14px; --r-sm:10px;
  --shadow:0 1px 2px rgba(27,36,32,.06),0 8px 28px rgba(27,36,32,.07);
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Source Sans 3','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.55;color:var(--ink);background:var(--paper)}
a{color:var(--green)}
:focus-visible{outline:3px solid #f59f00;outline-offset:2px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,.serif{font-family:var(--serif);font-weight:650;letter-spacing:-.01em;text-wrap:balance}
h2{font-size:1.45rem;line-height:1.25;margin:.2em 0 .7em}
h3{font-size:.82rem;font-weight:700;color:var(--mut);text-transform:uppercase;letter-spacing:.08em;margin:1.6em 0 .7em}

/* En-tête */
.top{background:var(--green);color:#f3f7f4}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:var(--serif);font-weight:700;font-size:1.2rem}
.brand img{border-radius:8px}
.top-note{font-size:.88rem;color:#cfe3d8}
@media(max-width:520px){.top-note{display:none}}

/* Mise en page : intro + assistant */
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;padding:26px 20px 40px}
@media(min-width:960px){.layout{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:44px;padding-top:48px;align-items:start}.intro{position:sticky;top:28px}}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:700;color:var(--green);background:var(--green-soft);padding:4px 10px;border-radius:999px;margin:0 0 14px}
.intro h1{font-size:clamp(1.9rem,4.4vw,2.9rem);line-height:1.08;margin:0 0 14px;color:var(--ink)}
.lead{font-size:1.12rem;color:var(--ink-2);margin:0 0 20px;max-width:34em}
.trust{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.trust li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2)}
.trust li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
@media(max-width:959px){.intro h1{font-size:1.85rem}.trust{grid-template-columns:1fr;font-size:.95rem}.lead{margin-bottom:14px}}
.crumb{font-size:.9rem;color:var(--mut);margin:0 0 12px}.crumb a{color:var(--mut)}

/* Carte assistant */
#app{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px 20px 26px;min-height:420px;scroll-margin-top:12px}
@media(min-width:600px){#app{padding:30px 32px 34px}}
.view{animation:enter .28s ease-out}
@keyframes enter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.view{animation:none}}

/* Étapes */
.steps{display:flex;list-style:none;padding:0;margin:0 0 22px;gap:6px;counter-reset:s}
.steps li{flex:1;display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--mut);counter-increment:s;min-width:0;white-space:nowrap;overflow:hidden}
.steps li::before{content:counter(s);flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:2px solid var(--line-2);font-weight:700;font-size:.85rem;background:var(--surface)}
.steps li::after{content:"";flex:1;height:2px;background:var(--line);min-width:8px}
.steps li:last-child{flex:0 0 auto}
.steps li:last-child::after{display:none}
.steps li.done::before{content:"✓";background:var(--green);border-color:var(--green);color:#fff}
.steps li.done::after{background:var(--green)}
.steps li.cur{color:var(--ink);font-weight:700}
.steps li.cur::before{border-color:var(--green);color:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
@media(max-width:600px){.steps li span{display:none}.steps li:last-child{flex:0 0 auto}}

.q-title{font-size:1.55rem;margin:0 0 4px}
.q-sub{color:var(--mut);margin:0 0 6px}

/* Choix du projet */
.projs{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:8px}
.proj{display:flex;align-items:center;gap:12px;width:100%;min-height:64px;padding:10px 12px 10px 10px;text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r);cursor:pointer;color:var(--ink);font:inherit;transition:border-color .15s,background .15s,transform .15s}
.proj:hover{border-color:var(--green-2);background:#fbfaf6}
.proj:active{transform:scale(.99)}
.proj-ico{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--sunk);font-size:1.35rem}
.proj-t{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25}
.proj-t strong{font-weight:700;font-size:1rem}
.proj-t small{color:var(--green-2);font-size:.86rem;font-weight:600;margin-top:3px}
.proj-t small.none{color:var(--mut);font-weight:400}
.proj::after{content:"›";color:var(--line-2);font-size:1.6rem;line-height:1}
.proj:hover::after{color:var(--green)}

/* Formulaire */
.field{margin-top:22px}
.field>label,.field>.lbl{display:block;font-weight:700;margin:0 0 8px;font-size:1.02rem}
input{width:100%;min-height:52px;padding:12px 14px;border:1.5px solid var(--line-2);border-radius:var(--r-sm);font:inherit;font-size:1.1rem;background:#fff;color:var(--ink)}
input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px var(--green-soft)}
input.short{max-width:220px}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(170px,100%),1fr));gap:8px}
.opt{display:flex;align-items:center;gap:10px;min-height:52px;padding:10px 14px;background:#fff;border:1.5px solid var(--line-2);border-radius:var(--r-sm);cursor:pointer;font:inherit;color:var(--ink);text-align:left;transition:border-color .15s,background .15s}
.opt::before{content:"";flex:none;width:20px;height:20px;border-radius:50%;border:2px solid var(--line-2);background:#fff;transition:.15s}
.opt:hover{border-color:var(--green-2)}
.opt.on{border-color:var(--green);background:var(--green-soft);font-weight:700}
.opt.on::before{border-color:var(--green);background:radial-gradient(circle,var(--green) 0 5px,#fff 6px)}
.hint{color:var(--mut);font-size:.92rem;margin:8px 0 0}
.err{color:#b42318;font-weight:700;min-height:1.4em;margin:10px 0 0}
.nav{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 24px;border-radius:12px;font:inherit;font-weight:700;font-size:1.05rem;cursor:pointer;border:0;text-decoration:none}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:#174c3b}
.btn-ghost{background:none;color:var(--ink-2);border:1.5px solid var(--line-2);padding:12px 18px}
.btn-ghost:hover{border-color:var(--ink-2)}
@media(max-width:520px){.nav .btn-primary{flex:1}}

/* Résultat */
.res-hero{background:var(--green);color:#fff;border-radius:16px;padding:22px 22px 20px;margin:0 0 16px;position:relative;overflow:hidden}
.res-hero::after{content:"";position:absolute;right:-50px;top:-50px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.06)}
.res-k{margin:0;font-size:.95rem;color:#cfe3d8;font-weight:600}
.res-v{margin:2px 0 4px;font-family:var(--serif);font-size:clamp(2rem,7vw,2.7rem);line-height:1.05;font-weight:700}
.res-v.small{font-size:1.45rem;line-height:1.2}
.res-meta{display:flex;flex-wrap:wrap;gap:6px 18px;margin:12px 0 0;font-size:.93rem;color:#e3eee8}
.res-meta b{color:#fff}
.pdot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:0;box-shadow:0 0 0 2px rgba(255,255,255,.7)}

.budget{border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:0 0 16px;background:#fff}
.budget-row{display:flex;justify-content:space-between;gap:10px;font-size:.95rem;color:var(--ink-2)}
.budget-row b{color:var(--ink);text-align:right;white-space:nowrap}
.bar{height:14px;border-radius:999px;background:var(--sunk);overflow:hidden;margin:12px 0 10px;display:flex}
.bar i{display:block;height:100%;background:var(--ok)}
.legend{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.85rem;color:var(--mut)}
.legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;background:var(--ok);vertical-align:-1px}
.legend span.rest::before{background:var(--sunk);border:1px solid var(--line-2)}

.cta{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:60px;padding:12px 18px;background:var(--cta);color:#fff;text-decoration:none;font-weight:700;font-size:1.12rem;line-height:1.2;border-radius:14px;box-shadow:0 6px 18px rgba(217,72,15,.28);transition:background .15s,transform .15s;text-align:center}
.cta:hover{background:var(--cta-2)}
.cta:active{transform:translateY(1px)}
.cta small{display:block;font-weight:600;font-size:.84rem;opacity:.92;margin-top:2px}
.cta-note{text-align:center;color:var(--mut);font-size:.88rem;margin:8px 0 22px}

.sec{font-family:var(--serif);font-size:1.2rem;margin:6px 0 10px}
.aides{display:grid;gap:10px}
.aide{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.aide-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.aide-h strong{font-size:1.02rem}
.pill{font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap}
.ok .pill{background:var(--ok-soft);color:var(--ok)} .maybe .pill{background:var(--maybe-soft);color:var(--maybe)}
.no .pill{background:var(--no-soft);color:var(--no)} .info .pill{background:var(--green-soft);color:var(--green)}
.aide.no{background:#fbfaf7} .aide.no strong{color:var(--ink-2)}
.montant{font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--ok);margin:4px 0 0}
.maybe .montant{color:var(--maybe)}
.aide p{margin:6px 0 0;font-size:.95rem;color:var(--ink-2)}
.warn{display:flex;gap:12px;background:var(--maybe-soft);border-radius:var(--r);padding:14px 16px;margin:18px 0;font-size:.97rem;color:#5c3a07}
.warn::before{content:"!";flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--maybe);color:#fff;font-weight:700}
.disclaimer{font-size:.82rem;color:var(--mut);margin:18px 0 0}
.note{color:var(--ink-2);font-size:.95rem;margin:0 0 16px}

/* Barre CTA collante (mobile, étape résultat) */
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:20;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,253,249,.97);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .25s}
.cta-bar:not(.show){visibility:hidden}
.cta-bar.show{transform:none;visibility:visible}
.cta-bar .cta{min-height:52px;box-shadow:none;font-size:1.05rem}
@media(min-width:960px){.cta-bar{display:none}}
.embed .cta-bar{display:none}

/* Contenu SEO + liens */
.seo{max-width:800px;margin:0 auto 32px;padding:0 20px}
.seo-in{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:12px 26px 24px}
.seo h2{margin-top:1.3em}
.seo p,.seo li{color:var(--ink-2)}
.seo details{border-bottom:1px solid var(--line);padding:12px 0}
.seo summary{font-weight:700;cursor:pointer}
.seo details p{margin:8px 0 0}
.more{max-width:1120px;margin:0 auto 40px;padding:0 20px}
.more>h2{margin-bottom:.2em}
.links{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px;padding:0;margin:0;list-style:none}
.links a{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink);background:var(--surface);font-weight:600;font-size:.95rem}
.links a:hover{border-color:var(--green-2)}

.foot{border-top:1px solid var(--line);font-size:.88rem;color:var(--mut);padding:22px 20px 96px;max-width:1120px;margin:0 auto}
.foot a{color:var(--mut)}
@media(min-width:960px){.foot{padding-bottom:30px}}

/* Widget */
.embed body{background:var(--surface)}
.embed .top,.embed .intro,.embed .foot,.embed .seo,.embed .more{display:none}
.embed .layout{display:block;padding:0}
.embed #app{border:0;box-shadow:none;border-radius:0;min-height:0}

/* Pages simples (mentions, confidentialité, intégration) */
.page{max-width:760px;margin:28px auto 40px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:10px 26px 24px}

/* --- Prix Monte-Escalier : compléments --- */
.opts-pic{grid-template-columns:repeat(auto-fit,minmax(min(140px,100%),1fr))}
.opt-pic{flex-direction:column;align-items:flex-start;gap:6px;padding:12px 14px;min-height:96px}
.opt-pic::before{position:absolute;top:10px;right:10px}
.opt-pic{position:relative}
.stair{width:52px;height:46px;fill:none;stroke:var(--green-2);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.opt.on .stair{stroke:var(--green)}
.opt.chk::before{border-radius:6px}
.opt.chk.on::before{background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7.5' fill='none' stroke='%23fff' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;border-color:var(--green)}
.res-v{font-size:clamp(1.8rem,6.6vw,2.6rem)}
.unit{font-size:.45em;font-family:var(--sans);font-weight:600;opacity:.85}
.notes{margin:0 0 16px;padding:0 0 0 18px;color:var(--ink-2);font-size:.95rem}
.notes li{margin:4px 0}
.btn-skip{background:none;border:0;color:var(--mut);text-decoration:underline;font:inherit;cursor:pointer;padding:10px;min-height:44px}
.center{text-align:center}

/* === ACCENT === */
:root{--green:#7a3b1e;--green-2:#9a4f2b;--green-soft:#f5e8e0}
.btn-primary:hover{background:#7a3b1e;filter:brightness(.9)}
.opts[data-name=proj]{grid-template-columns:minmax(0,1fr)!important}
.opts[data-name=proj] .opt{justify-content:flex-start;gap:12px}
/* === /ACCENT === */
/* === APP SHELL v1 (mode appli : téléphone + appli installée) === */
html,body{-webkit-tap-highlight-color:transparent}
.opt,.btn,.cta,.proj,.size,.work{-webkit-user-select:none;user-select:none;touch-action:manipulation}
.opt:active,.btn:active,.cta:active,.proj:active{transform:scale(.975);transition:transform .08s}
.install{display:none;align-items:center;gap:6px;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:7px 13px;font:inherit;font-size:.86rem;font-weight:700;cursor:pointer;min-height:36px}
.install.show{display:inline-flex}
.app-about-t{display:none}

@media (max-width:720px), (display-mode:standalone){
  body{background:var(--paper)}
  .top{position:sticky;top:0;z-index:30;padding-top:env(safe-area-inset-top);box-shadow:0 1px 0 rgba(0,0,0,.08)}
  .top-in{min-height:56px;padding:0 16px}
  .brand{font-size:1.08rem;gap:9px}.brand img{width:30px;height:30px;border-radius:8px}
  .top-note{display:none}
  .layout{display:flex;flex-direction:column;padding:0;gap:0;max-width:none}
  .layout #app{order:1}.layout .intro{order:2}
  /* l'outil occupe l'écran */
  #app{border:0;border-radius:0;box-shadow:none;background:var(--paper);min-height:calc(100dvh - 56px - env(safe-area-inset-top));padding:0 16px 8px;display:flex;flex-direction:column;overflow-x:clip}
  #app>.view{flex:1;display:flex;flex-direction:column}
  .view{animation:none}
  html.ready .view{animation:slidein .26s cubic-bezier(.2,.7,.2,1)}
  @keyframes slidein{from{transform:translateX(14px)}to{transform:none}}
  /* progression façon appli */
  .steps{position:sticky;top:calc(56px + env(safe-area-inset-top));z-index:20;margin:0 -16px 6px;padding:12px 16px 26px;gap:5px;background:var(--paper)}
  .steps li{height:5px;flex:1 1 0;border-radius:3px;background:var(--line-2);font-size:0;overflow:visible;position:static}
  .steps li::before,.steps li::after{display:none}
  .steps li.done,.steps li.cur{background:var(--green)}
  .steps li.cur span{display:block !important;position:absolute;left:16px;top:24px;font-size:.78rem;font-weight:700;color:var(--green);text-transform:uppercase;letter-spacing:.07em;white-space:nowrap}
  .steps li:last-child{flex:1 1 0}
  .q-title{font-size:1.65rem;line-height:1.15;margin:6px 0 6px}
  .q-sub{font-size:1rem;margin-bottom:18px}
  .field{margin-bottom:20px}
  /* choix = tuiles tactiles */
  .opts{grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:10px}
  .opt{min-height:60px;border-radius:16px;border:1.5px solid transparent;background:#fff;box-shadow:0 1px 2px rgba(20,30,25,.06),0 2px 10px rgba(20,30,25,.05);font-size:1rem}
  .opt.on{border-color:var(--green);background:var(--green-soft);box-shadow:0 0 0 1px var(--green) inset}
  input,select{border-radius:14px;background:#fff;min-height:56px;font-size:1.1rem}
  /* barre d'action en bas, comme une appli */
  .nav{position:sticky;bottom:0;z-index:15;margin:auto -16px 0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(to top,var(--paper) 78%,rgba(0,0,0,0));flex-wrap:nowrap}
  .nav .btn{min-height:56px;border-radius:16px;font-size:1.05rem}
  .nav .btn-primary{flex:1;box-shadow:0 6px 18px rgba(0,0,0,.14)}
  .nav .btn-ghost{background:#fff;border:0;box-shadow:0 1px 2px rgba(0,0,0,.08);padding:12px 16px;flex:none}
  .err{margin-top:8px}
  /* écran résultat : cartes */
  .view:has(.res-hero) .nav{position:static;background:none;flex-wrap:wrap;margin-top:8px}
  .view:has(.res-hero) .nav .btn{flex:1 1 auto;min-height:48px;font-size:.95rem}
  .res-hero{border-radius:22px;padding:22px 20px;margin-top:14px;box-shadow:0 10px 28px rgba(0,0,0,.16)}
  .aide,.box,.size,.work,.price-card,.summary{border-radius:18px;border-color:transparent;box-shadow:0 1px 2px rgba(20,30,25,.06),0 2px 12px rgba(20,30,25,.05);background:#fff}
  .size.best,.work.best{border-color:var(--green)}
  .cta{border-radius:18px;min-height:60px}
  .cta-bar{border-top:0;box-shadow:0 -6px 20px rgba(0,0,0,.08);background:var(--paper)}
  /* contenu « à propos » sous l'outil */
  .intro{padding:26px 18px 6px;background:var(--surface);border-top:1px solid var(--line)}
  .intro .eyebrow{margin-bottom:10px}
  .intro h1{font-size:1.4rem !important}
  .app-about-t{display:block;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin:0 0 8px}
  .seo,.more{background:var(--surface);margin:0;max-width:none;padding:0 18px 18px}
  .seo-in{border:0;padding:0;background:none}
  .foot{background:var(--surface)}
}
/* appli installée : uniquement l'outil */
@media (display-mode:standalone){
  .intro,.seo,.more,.crumb{display:none !important}
  .foot{padding-bottom:calc(90px + env(safe-area-inset-bottom))}
  .brand{pointer-events:none}
}
.embed .steps{position:static}.embed .nav{position:static;background:none}
/* === /APP SHELL === */