/* ==========================================================================
   AS WEB design — feuille de style unique
   Palette : blanc, noir, vert sapin. Aucune image, aucune dépendance.
   ========================================================================== */
:root{
  --papier:#ffffff;
  --creme:#f7f7f5;
  --sable:#efefec;
  --encre:#111111;
  --encre-2:#4a4a4a;
  --encre-3:#767676;
  --terre:#1c4b36;
  --terre-2:#143a29;
  --terre-3:#e7efea;
  --ligne:rgba(17,17,17,.12);
  --ligne-2:rgba(17,17,17,.24);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --pad:clamp(20px,5vw,72px);
  --max:1200px;
  --ombre:0 1px 2px rgba(17,17,17,.04),0 12px 30px -16px rgba(17,17,17,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{margin:0;background:var(--papier);color:var(--encre);font-family:var(--sans);
  font-size:16.5px;line-height:1.66;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--terre-3)}
:focus-visible{outline:2px solid var(--terre);outline-offset:3px;border-radius:3px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;letter-spacing:-.018em;
  font-variation-settings:"opsz" 96,"SOFT" 0,"WONK" 0}
h1{font-size:clamp(34px,5.1vw,66px);line-height:1.06;font-variation-settings:"opsz" 144}
h2{font-size:clamp(26px,3.5vw,43px);line-height:1.12}
h3{font-size:clamp(18px,1.95vw,22px);line-height:1.3;letter-spacing:-.012em;
  font-variation-settings:"opsz" 24}
h4{font-size:17px;line-height:1.35}
p{margin:0 0 1.05em}
.lead{font-size:clamp(16.5px,1.45vw,19.5px);color:var(--encre-2);line-height:1.68;font-weight:400}
.sur{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--terre);font-weight:700;
  display:block;margin-bottom:14px}
.muted{color:var(--encre-3)}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.pad-y{padding-block:clamp(58px,8vw,116px)}
.creme{background:var(--creme);border-block:1px solid var(--ligne)}
.mesure{max-width:64ch}
.centre{text-align:center}
.centre .sur{margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:999;background:var(--encre);color:#fff;padding:10px 16px;border-radius:4px}

/* ------------------------------ boutons ------------------------------ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 24px;
  border-radius:4px;font-size:14.5px;font-weight:600;border:1.5px solid var(--encre);
  color:var(--encre);background:transparent;cursor:pointer;font-family:var(--sans);
  transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--encre);color:var(--papier)}
.btn.plein{background:var(--terre);border-color:var(--terre);color:#fff}
.btn.plein:hover{background:var(--terre-2);border-color:var(--terre-2)}
.btn.doux{border-color:var(--ligne-2);color:var(--encre-2)}
.btn.doux:hover{background:var(--encre);border-color:var(--encre);color:#fff}
.btn.sm{padding:9px 16px;font-size:13.5px}
.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:26px}
.centre .actions{justify-content:center}

/* ------------------------------ en-tête ------------------------------ */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
header.scrolled{border-bottom-color:var(--ligne)}
.bar{max-width:var(--max);margin:0 auto;padding:14px var(--pad);display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px}
.logo .dot{width:28px;height:28px;border-radius:7px;background:var(--terre);color:#fff;
  display:grid;place-items:center;font-size:11px;font-weight:600;flex:none;letter-spacing:.02em}
.logo .mark{font-family:var(--serif);font-size:21px;font-weight:600;line-height:1;
  letter-spacing:-.02em;white-space:nowrap}
.logo .sub{display:block;font-size:10px;font-weight:600;letter-spacing:.17em;text-transform:uppercase;color:var(--encre-3);
  font-family:var(--sans);margin-top:2px;white-space:nowrap}
.logo{flex:none}
nav{margin-left:auto;display:flex;align-items:center;gap:clamp(14px,1.9vw,26px)}
nav .btn{white-space:nowrap}
nav a.link{font-size:14.5px;font-weight:500;color:var(--encre-2);position:relative;padding-block:3px;white-space:nowrap}
nav a.link::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--terre);transition:width .3s}
nav a.link:hover,nav a.link.on{color:var(--encre)}
nav a.link.on::after,nav a.link:hover::after{width:100%}
.burger{display:none;width:40px;height:40px;border:1.5px solid var(--ligne-2);background:transparent;
  border-radius:4px;cursor:pointer;padding:0;margin-left:auto}
.burger i{display:block;width:17px;height:1.5px;background:var(--encre);margin:4px auto;
  transition:transform .3s,opacity .3s}
body.menu .burger i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
body.menu .burger i:nth-child(2){opacity:0}
body.menu .burger i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ------------------------------ héros ------------------------------ */
.hero{padding-block:clamp(52px,8vw,104px) clamp(44px,6vw,84px);border-bottom:1px solid var(--ligne)}
.hero h1{margin-bottom:22px}
.hero .lead{max-width:56ch}
.fil{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--encre-3);margin-bottom:20px}
.fil a:hover{color:var(--encre)}
.chiffres{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ligne);
  border-block:1px solid var(--ligne);margin-top:clamp(38px,5vw,64px)}
.chiffres div{background:var(--papier);padding:22px 20px}
.chiffres b{display:block;font-family:var(--serif);font-weight:600;letter-spacing:-.02em;
  font-size:clamp(26px,3.1vw,36px);line-height:1}
.chiffres span{display:block;font-size:13px;color:var(--encre-3);margin-top:7px}

/* ------------------------------ bandeau défilant ------------------------------ */
.ruban{border-bottom:1px solid var(--ligne);overflow:hidden;padding-block:15px;background:var(--papier)}
.ruban .piste{display:flex;gap:34px;white-space:nowrap;animation:glisse 42s linear infinite;
  font-size:13px;letter-spacing:.11em;text-transform:uppercase;color:var(--encre-3)}
@keyframes glisse{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ruban .piste{animation:none}}

/* ------------------------------ grilles ------------------------------ */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,3vw,40px)}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,32px)}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,26px)}
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.carte{border:1px solid var(--ligne);border-radius:6px;padding:clamp(22px,2.6vw,32px);background:var(--papier)}
.carte{display:flex;flex-direction:column}
.carte h3{margin-bottom:10px}
.carte .badge{margin-top:auto;align-self:flex-start}
.carte p:last-child{margin-bottom:0}
.carte .num{font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--terre);display:block;margin-bottom:14px}

/* listes à puce vert sapin */
ul.pts{list-style:none;padding:0;margin:0}
ul.pts li{position:relative;padding-left:22px;margin-bottom:9px;font-size:15.3px;color:var(--encre-2)}
ul.pts li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;border-radius:50%;
  border:1.5px solid var(--terre)}
ul.pts li.ok::before{background:var(--terre)}
ul.pts li b{color:var(--encre);font-weight:600}

/* ------------------------------ tableau des packs ------------------------------ */
.compare{width:100%;border-collapse:collapse;font-size:15px;margin-top:8px}
.compare th,.compare td{border:1px solid var(--ligne);padding:13px 15px;text-align:left;vertical-align:top}
.compare thead th{background:var(--creme);font-family:var(--sans);font-weight:600;font-size:14px}
.compare thead th.reco{background:var(--terre);color:#fff;border-color:var(--terre)}
.compare th[scope="row"]{font-weight:400;color:var(--encre-2);width:34%}
.compare .prix{font-family:var(--serif);font-weight:600;font-size:25px;display:block;line-height:1.2;letter-spacing:-.02em}
.compare .delai{display:block;font-size:12.5px;color:var(--encre-3);font-weight:400;margin-top:3px}
.compare thead th.reco .delai{color:rgba(255,255,255,.75)}
.compare .oui{color:var(--terre);font-weight:600}
.compare .non{color:var(--encre-3)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:clamp(28px,4vw,44px)}
.badge{display:inline-block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  background:var(--terre-3);color:var(--terre-2);padding:4px 9px;border-radius:3px;font-weight:600}

/* ------------------------------ FAQ ------------------------------ */
.faq{border-top:1px solid var(--ligne)}
.faq details{border-bottom:1px solid var(--ligne)}
.faq summary{cursor:pointer;list-style:none;padding:20px 44px 20px 0;position:relative;
  font-family:var(--serif);font-weight:600;letter-spacing:-.014em;
  font-size:clamp(17.5px,1.9vw,21px);line-height:1.32}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:11px;height:11px;
  border-right:1.5px solid var(--terre);border-bottom:1.5px solid var(--terre);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .rep{padding:0 0 22px;max-width:72ch;color:var(--encre-2);font-size:15.6px}
.faq .rep p:last-child{margin-bottom:0}

/* ------------------------------ maquettes d'écran ------------------------------ */
.ecran{border:1px solid var(--ligne-2);border-radius:9px;overflow:hidden;background:var(--papier);box-shadow:var(--ombre)}
.ecran .url{display:flex;align-items:center;gap:7px;padding:9px 12px;background:var(--creme);
  border-bottom:1px solid var(--ligne);font-size:11.5px;color:var(--encre-3)}
.ecran .url i{width:8px;height:8px;border-radius:50%;background:var(--ligne-2);display:block;flex:none}
.ecran .corps{padding:20px 18px 22px}
.ecran .tt{font-family:var(--serif);font-weight:600;font-size:20px;line-height:1.24;
  letter-spacing:-.015em;margin-bottom:6px}
.ecran .st{font-size:12.8px;color:var(--encre-3);margin-bottom:14px}
.ecran .cta{display:inline-block;background:var(--terre);color:#fff;font-size:12px;padding:8px 14px;border-radius:3px}
.ecran .lignes{margin-top:16px;display:grid;gap:7px}
.ecran .lignes i{display:block;height:7px;border-radius:2px;background:var(--sable)}
.ecran .lignes i:nth-child(2){width:86%}
.ecran .lignes i:nth-child(3){width:64%}

/* ------------------------------ formulaire ------------------------------ */
form.devis{display:grid;gap:16px}
.champ{display:grid;gap:6px}
.champ label{font-size:13px;letter-spacing:.04em;color:var(--encre-2);font-weight:500}
.champ input,.champ select,.champ textarea{font-family:var(--sans);font-size:16px;color:var(--encre);
  background:var(--papier);border:1px solid var(--ligne-2);border-radius:4px;padding:12px 14px;width:100%}
.champ textarea{min-height:130px;resize:vertical}
.champ input:focus,.champ select:focus,.champ textarea:focus{outline:2px solid var(--terre);outline-offset:0;border-color:var(--terre)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pot{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.rgpd{font-size:13px;color:var(--encre-3);margin:0}

/* ------------------------------ contact rapide ------------------------------ */
.joindre{display:grid;gap:1px;background:var(--ligne);border:1px solid var(--ligne);border-radius:6px;overflow:hidden}
.joindre a,.joindre div{background:var(--papier);padding:16px 18px;display:flex;gap:13px;align-items:center}
.joindre .k{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--encre-3);
  width:104px;flex:none}
.joindre .v{font-weight:500}
.joindre a:hover{background:var(--creme)}

/* bouton WhatsApp flottant */
.wapp{position:fixed;right:16px;bottom:16px;z-index:90;display:inline-flex;align-items:center;gap:9px;
  background:var(--terre);color:#fff;border-radius:999px;padding:12px 18px;font-size:14px;font-weight:500;
  box-shadow:0 8px 26px -8px rgba(17,17,17,.4)}
.wapp:hover{background:var(--terre-2)}
.wapp svg{width:19px;height:19px;fill:currentColor;flex:none}

/* ------------------------------ pied ------------------------------ */
footer{background:var(--encre);color:#d7dbd8;padding-block:clamp(48px,6vw,80px) 26px;margin-top:0}
footer .fg{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(22px,3vw,44px)}
footer h4{font-family:var(--sans);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:#8d9691;margin-bottom:14px;font-weight:600}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:14.5px}
footer a:hover{color:#fff}
footer .logo .mark{color:#fff}
footer .logo .sub{color:#8d9691}
.fbas{border-top:1px solid rgba(255,255,255,.14);margin-top:clamp(32px,4vw,52px);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:#8d9691}
.fbas .sp{flex:1}

/* ------------------------------ pages de texte ------------------------------ */
.texte{max-width:76ch}
.texte h2{font-size:clamp(24px,3vw,34px);margin-top:clamp(34px,4vw,52px);margin-bottom:12px}
.texte h3{margin-top:26px;margin-bottom:8px;font-family:var(--sans);font-size:16px;font-weight:700}
.texte p,.texte li{color:var(--encre-2);font-size:15.8px}
.texte ul{padding-left:20px}
.texte li{margin-bottom:7px}
.texte b{color:var(--encre)}

/* ------------------------------ apparition ------------------------------ */
.rev{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
.rev.vu{opacity:1;transform:none}
.rev.d1{transition-delay:.08s}.rev.d2{transition-delay:.16s}.rev.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.rev{opacity:1;transform:none;transition:none}}

/* ------------------------------ mobile ------------------------------ */
@media (max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  footer .fg{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  /* backdrop-filter créerait un bloc conteneur et casserait le menu en position:fixed */
  header{backdrop-filter:none;background:var(--papier)}
  nav{position:fixed;inset:0;background:var(--papier);flex-direction:column;justify-content:center;
    gap:26px;transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.8,.3,1);margin:0;z-index:99}
  body.menu nav{transform:none}
  nav a.link{font-size:20px;font-family:var(--serif);font-weight:600}
  .burger{display:block;position:relative;z-index:101}
  .g2,.g3{grid-template-columns:1fr}
  .chiffres{grid-template-columns:repeat(2,1fr)}
  .duo{grid-template-columns:1fr}
  .joindre .k{width:88px;font-size:11px}
  .wapp span{display:none}
  .wapp{padding:14px;border-radius:50%}
}
@media (max-width:560px){
  h1 br,h2 br{display:none}
}
@media (max-width:430px){
  .g4{grid-template-columns:1fr}
  footer .fg{grid-template-columns:1fr}
}
@media print{
  header,nav,.wapp,footer,.actions{display:none}
  body{font-size:12pt}
}

/* ---------- confirmation affichée à la place du formulaire ---------- */
.local{background:var(--terre-3);border:1px solid var(--terre);border-radius:5px;
  padding:13px 16px;font-size:14px;color:var(--terre-2);margin-bottom:18px;line-height:1.55}
.local b{font-weight:700}
.confirme{background:var(--terre-3);border:1px solid var(--terre);border-radius:6px;
  padding:clamp(20px,3vw,30px);margin-top:20px}
.confirme h3{color:var(--terre-2);margin-bottom:10px}
.confirme p{color:var(--terre-2);margin-bottom:0;font-size:15.5px}
.confirme .actions{margin-top:20px}