/* bbconsult - feuille de style principale (sans police externe, sans cookie) */
:root{
  --papier:#F4F6F3;
  --brume:#E4EAE7;
  --ligne:#C5D0CB;
  --encre:#10252A;
  --gris:#4A5D61;
  --pin:#1E4B4B;
  --pin-fonce:#143636;
  --ambre:#E0A526;
  --ambre-vif:#EDB63F;
  --ambre-fonce:#A87307;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --w:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--papier);color:var(--encre);font-family:var(--sans);font-size:1.0625rem;line-height:1.65}
img,svg{max-width:100%;height:auto}
a{color:var(--pin);text-underline-offset:.18em;text-decoration-thickness:.08em}
a:hover{color:var(--pin-fonce);text-decoration-thickness:.14em}
:focus-visible{outline:3px solid var(--ambre-fonce);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--encre);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
.wrap{width:min(100% - 2.5rem,var(--w));margin-inline:auto}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.14;letter-spacing:-.01em;margin:0 0 .6em;text-wrap:balance}
h1{font-size:clamp(2.25rem,5.2vw,3.9rem);letter-spacing:-.02em}
h2{font-size:clamp(1.65rem,3vw,2.3rem)}
h3{font-size:1.3rem}
h4{font-size:1.1rem}
p{margin:0 0 1em}
.lede{font-size:1.2rem;color:var(--gris);max-width:58ch}
.fine{font-size:.95rem;color:var(--gris)}

/* En-tête */
.site-header{border-bottom:1px solid var(--ligne)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:1rem}
.logo{font-family:var(--serif);font-weight:700;font-size:1.6rem;color:var(--encre);text-decoration:none;letter-spacing:-.02em}
.logo:hover{color:var(--encre)}
.nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0;align-items:center}
.nav a{color:var(--encre);text-decoration:none;font-size:.98rem;padding-block:.3rem;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current=page]{border-bottom-color:var(--ambre)}
.nav a.btn{padding:.55rem 1rem;font-size:.95rem;border:2px solid var(--ambre)}
.menu-btn{display:none;background:none;border:1.5px solid var(--encre);border-radius:3px;padding:.5rem .8rem;font:inherit;font-size:.95rem;color:var(--encre);cursor:pointer}

/* Boutons */
.btn{display:inline-block;background:var(--ambre);color:var(--encre);font-weight:600;text-decoration:none;padding:.85rem 1.4rem;border-radius:3px;border:2px solid var(--ambre);transition:background .15s,border-color .15s}
.btn:hover{background:var(--ambre-vif);border-color:var(--ambre-vif);color:var(--encre)}
.btn-ghost{background:transparent;border-color:var(--pin);color:var(--pin)}
.btn-ghost:hover{background:var(--pin);border-color:var(--pin);color:var(--papier)}

/* Accueil : hero */
.hero{padding:clamp(2.5rem,6vw,5rem) 0 clamp(2.5rem,5vw,4rem)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin:1.8rem 0 1rem}
.fork{width:100%;display:block}
.fork .line{fill:none;stroke:var(--pin);stroke-width:1.6}
.fork .node{fill:var(--brume);stroke:var(--pin);stroke-width:1.4}
.fork .node-end{fill:var(--ambre);stroke:var(--encre);stroke-width:1.4}
.fork text{font-family:var(--sans);font-size:14px;fill:var(--encre)}
.fork .small{font-size:12px;fill:var(--gris)}
.fork .tick{stroke:var(--gris);stroke-width:1.4;stroke-linecap:round}
@media (prefers-reduced-motion:no-preference){
  .fork .line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.2s ease-out .2s forwards}
  .fork .line.l2{animation-delay:.9s}
  .fork .end{opacity:0;animation:appear .5s ease-out 1.9s forwards}
}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes appear{to{opacity:1}}

/* Sections */
.section{padding:clamp(2.5rem,6vw,4.5rem) 0}
.section.alt{background:var(--brume)}
.section-head{max-width:46rem;margin-bottom:2rem}
.page-head{padding:clamp(2.5rem,5vw,4rem) 0 1.5rem}
.page-head h1{max-width:20ch}
.page-head .lede{margin-bottom:0}

/* Ce que nous faisons / ne faisons pas */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);margin-top:1.5rem}
.split h3{margin-bottom:.8rem}
.split ul{list-style:none;margin:0;padding:0}
.split li{position:relative;padding:.55rem 0 .55rem 1.5rem;border-top:1px solid var(--ligne)}
.split .yes li::before{content:"";position:absolute;left:.1rem;top:1.05rem;width:.55rem;height:.55rem;background:var(--pin)}
.split .no{border:1px dashed #8CA09B;padding:1.2rem 1.4rem;border-radius:3px}
.split .no li::before{content:"–";position:absolute;left:.1rem;top:.55rem;color:var(--gris)}

/* Liste de services */
.rows{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--ligne)}
.rows li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr) auto;gap:1rem 2rem;align-items:baseline;padding:1.3rem 0;border-top:1px solid var(--ligne)}
.rows h3{margin:0;font-size:1.35rem}
.rows h3 a{color:var(--encre);text-decoration:none}
.rows h3 a:hover{color:var(--pin);text-decoration:underline}
.rows p{margin:0;color:var(--gris)}
.more{font-weight:600;white-space:nowrap}

/* Étapes (vraie séquence) */
.steps{list-style:none;counter-reset:step;margin:0;padding:0}
.steps>li{counter-increment:step;display:grid;grid-template-columns:3rem minmax(0,1fr);gap:0 1rem;padding:1.1rem 0;border-top:1px solid var(--ligne)}
.steps>li::before{content:counter(step);font-family:var(--serif);font-size:2rem;line-height:1;color:var(--ambre-fonce);font-weight:600}
.steps h3,.steps h4{margin:0 0 .25rem;font-size:1.15rem}
.steps p{margin:0;color:var(--gris)}

/* Bloc image + texte */
.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.ph{margin:0}
.ph img{display:block;width:100%;height:auto;border-radius:2px}
.banner{margin:0 0 1rem}

/* Services (page détaillée) */
.service{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:1rem clamp(1.5rem,4vw,3.5rem);padding:2.4rem 0;border-top:1px solid var(--ligne)}
.service h2{font-size:1.75rem}
.service h3{font-size:1.05rem;font-family:var(--sans);font-weight:700;letter-spacing:0;margin:1.2rem 0 .4rem}
.service h3:first-child{margin-top:0}
.service ul{margin:0 0 .5rem;padding-left:1.2rem}
.service li{margin-bottom:.35rem}
.service .tag{color:var(--gris);font-size:.95rem}

/* À propos : détail par service */
.detail{padding:2rem 0;border-top:1px solid var(--ligne)}
.detail h3{font-size:1.55rem}
.detail .steps>li{padding:.8rem 0}

/* Encadré */
.note{background:var(--brume);border-left:5px solid var(--ambre);padding:1.2rem 1.4rem;margin:1.5rem 0;border-radius:0 3px 3px 0}
.note p:last-child{margin-bottom:0}
.note strong{font-family:var(--serif);font-size:1.15rem}
.section.alt .note{background:var(--papier)}

/* FAQ */
.faq details{border-top:1px solid var(--ligne)}
.faq details:last-child{border-bottom:1px solid var(--ligne)}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 2.6rem 1.1rem 0;font-family:var(--serif);font-size:1.2rem;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.3rem;top:50%;transform:translateY(-50%);font-size:1.6rem;font-weight:400;color:var(--pin);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .answer{padding:0 2.6rem 1.2rem 0;color:var(--gris);max-width:68ch}
.faq .answer p:last-child{margin-bottom:0}

/* Bandeau d'appel à l'action */
.cta{background:var(--pin);color:var(--papier);padding:clamp(2.5rem,5vw,4rem) 0}
.cta .wrap{display:flex;flex-wrap:wrap;gap:1.5rem 3rem;align-items:center;justify-content:space-between}
.cta h2{color:var(--papier);margin-bottom:.4em}
.cta p{color:#D5E0DC;max-width:56ch;margin:0}

/* Blog */
.posts{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--ligne)}
.posts li{display:grid;grid-template-columns:11rem minmax(0,1fr);gap:.5rem 2rem;padding:1.5rem 0;border-top:1px solid var(--ligne)}
.posts .meta{color:var(--gris);font-size:.95rem;line-height:1.5}
.posts .meta a{color:var(--gris)}
.posts h2{font-size:1.5rem;margin:0 0 .4rem}
.posts h2 a{color:var(--encre);text-decoration:none}
.posts h2 a:hover{color:var(--pin);text-decoration:underline}
.posts p{margin:0;color:var(--gris)}
.crumbs{font-size:.95rem;color:var(--gris);margin-bottom:1rem}
.crumbs a{color:var(--gris)}
.article-head{padding:clamp(2rem,4vw,3.5rem) 0 1.5rem}
.article-head h1{font-size:clamp(2rem,4.4vw,3.2rem);max-width:22ch}
.article-head .lede{margin-top:1rem}
.article-head time{display:block;color:var(--gris);font-size:.95rem;margin-top:1rem}
.prose{max-width:68ch}
.prose h2{font-size:1.6rem;margin-top:2.2rem}
.prose h3{margin-top:1.6rem}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1em}
.prose li{margin-bottom:.4rem}
.prose .updated{color:var(--gris);font-size:.95rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.form{display:grid;gap:1.1rem;max-width:34rem}
.field label{display:block;font-weight:600;margin-bottom:.35rem}
.field input[type=text],.field input[type=email],.field input[type=tel]{width:100%;padding:.8rem .9rem;font:inherit;border:1.5px solid #8CA09B;border-radius:3px;background:#fff;color:var(--encre)}
.field input:focus{outline:3px solid var(--ambre-fonce);outline-offset:1px;border-color:var(--encre)}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.95rem}
.check input{margin-top:.3rem;width:1.1rem;height:1.1rem;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alert{display:none;background:#FBEAEA;border-left:4px solid #A32D2D;padding:.8rem 1rem;border-radius:0 3px 3px 0}
.alert.show{display:block}
.form button{justify-self:start;cursor:pointer;font:inherit;font-weight:600}
.coords p{margin-bottom:.6rem}

/* Pied de page */
.site-footer{background:var(--encre);color:#CFDAD6;padding:3rem 0 2rem;font-size:.98rem}
.site-footer a{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}
.foot-title{font-weight:700;color:#fff;margin:0 0 .7rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:.35rem 0}
.foot-note{border-top:1px solid #2F474C;margin-top:2rem;padding-top:1.2rem;font-size:.9rem;color:#A9BAB5}
.site-footer :focus-visible{outline-color:var(--ambre)}

/* Éléments à compléter */
mark.todo{background:#FFE9A8;color:#4A3500;padding:.05em .3em;border-radius:2px}

/* Adaptatif */
@media (max-width:900px){
  .hero .wrap,.feature,.contact-grid,.service{grid-template-columns:minmax(0,1fr)}
  .fork{max-width:30rem}
  .rows li{grid-template-columns:minmax(0,1fr);gap:.4rem}
  .split{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .posts li{grid-template-columns:minmax(0,1fr)}
  .js .menu-btn{display:block}
  .js .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--papier);border-bottom:1px solid var(--ligne);padding:1rem 1.25rem 1.4rem;z-index:20}
  .js .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:flex-start;gap:.9rem}
  .site-header{position:relative}
}
@media (max-width:560px){
  .foot-grid{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}