@font-face{font-family:Jost;src:url(fonts/Jost.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Inter Tight";src:url(fonts/InterTight.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:Newsreader;src:url(fonts/Newsreader.woff2) format("woff2");font-weight:200 800;font-display:swap}

:root{
  --ice:#f1f5f6; --cream:#f2f6e0; --grey:#afaeac; --blue:#016eb3; --graphite:#3b3c3d; --black:#040303;
  --blue-10:rgba(1,110,179,.1); --line:rgba(59,60,61,.14);
  /* Batica / Neue Montreal ne sont pas libres de droits web : Newsreader et Inter Tight en substitut */
  --f-title:"Batica",Newsreader,Georgia,serif; --f-sub:"Neue Montreal","Inter Tight",system-ui,sans-serif; --f-body:Jost,system-ui,sans-serif;
  --r:20px; --max:1180px;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font:400 1.0625rem/1.65 var(--f-body);color:var(--graphite);background:var(--ice);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
.wrap{width:min(100% - 2rem,var(--max));margin-inline:auto}
.narrow{max-width:760px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:var(--black);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}

h1,h2,h3{font-family:var(--f-title);font-weight:400;color:var(--black);line-height:1.1;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,5.6vw,4.4rem)}
h1 em{font-style:normal;color:var(--blue)}
h2{font-size:clamp(1.9rem,3.8vw,3rem)}
h3{font-size:1.5rem}
.eyebrow{font:600 .8rem/1 var(--f-sub);letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:1.1rem;display:flex;align-items:center;gap:.7rem}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.lead{font-size:1.25rem;max-width:34em;margin:1.4rem 0 2rem}
.sub{font:400 1.2rem/1.5 var(--f-sub);color:var(--graphite);margin-top:1.1rem;max-width:36em}

/* boutons (charte : bleu, texte clair, capitales Neue Montreal) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.8rem 1.6rem;border:2px solid var(--blue);border-radius:8px;background:var(--blue);color:#fff;font:600 .9rem/1 var(--f-sub);letter-spacing:.07em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{background:#015a94;border-color:#015a94;transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(1,110,179,.7)}
.btn-lg{min-height:56px;padding-inline:2.1rem;font-size:.95rem}
.btn-sm{min-height:42px;padding:.6rem 1.1rem;font-size:.8rem}
.btn-ghost{background:transparent;color:var(--blue)}
.btn-ghost:hover{background:var(--blue-10);color:var(--blue);box-shadow:none}
.linklike{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}

/* en-tête */
.site-header{position:sticky;top:0;z-index:50;background:rgba(241,245,246,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.brand img{width:140px;height:auto}
.nav{display:flex;align-items:center;gap:1.8rem}
.nav a:not(.btn){font:500 .95rem var(--f-sub);color:var(--graphite);text-decoration:none;padding:.4rem 0;background:linear-gradient(var(--blue),var(--blue)) 0 100%/0 2px no-repeat;transition:background-size .25s}
.nav a:not(.btn):hover{background-size:100% 2px;color:var(--black)}
.burger{display:none;width:48px;height:48px;border:0;background:none;cursor:pointer;padding:12px;flex-direction:column;justify-content:center;gap:6px}
.burger i{display:block;height:2px;background:var(--black);transition:transform .25s,opacity .25s}
.burger[aria-expanded=true] i:nth-child(2){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded=true] i:nth-child(3){opacity:0}
.burger[aria-expanded=true] i:nth-child(4){transform:translateY(-8px) rotate(-45deg)}

/* motif « couches » issu du submark */
.layers{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.layers::before{content:"";position:absolute;right:-8%;top:6%;width:min(62vw,760px);aspect-ratio:1;background:repeating-linear-gradient(to bottom,var(--blue) 0 3px,transparent 3px 22px);opacity:.18;transform:perspective(900px) rotateX(58deg) rotateZ(-18deg);-webkit-mask:linear-gradient(to bottom,#000 30%,transparent);mask:linear-gradient(to bottom,#000 30%,transparent);animation:drift 14s ease-in-out infinite alternate}
.layers.on-dark::before{background:repeating-linear-gradient(to bottom,#fff 0 3px,transparent 3px 22px);opacity:.1;right:auto;left:-10%;top:auto;bottom:-10%}
@keyframes drift{to{transform:perspective(900px) rotateX(58deg) rotateZ(-14deg) translateY(24px)}}

/* hero */
.hero{position:relative;overflow:hidden;padding:clamp(2.5rem,6vw,5.5rem) 0 clamp(3rem,6vw,5rem)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.feed{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 40px 70px -30px rgba(4,3,3,.35);overflow:hidden;min-height:420px;display:flex;flex-direction:column}
.feed-head{display:flex;align-items:center;gap:.9rem;padding:1.2rem 1.5rem;background:var(--blue);color:#fff}
.feed-head strong{display:block;font:600 1.05rem var(--f-sub)}.feed-head span{font-size:.9rem;opacity:.9}
.feed-body{padding:2rem 1.5rem;display:grid;gap:1.2rem;justify-items:start;align-content:center;flex:1}
.feed iframe{border:0;width:100%;flex:1;min-height:520px}
.hero-copy>*{animation:rise .8s both}
.hero-copy>:nth-child(2){animation-delay:.08s}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(18px)}}

/* valeurs */
.values{background:var(--cream);border-block:1px solid var(--line)}
.values-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:1.5rem;padding-block:2rem}
.values-list li{display:grid;gap:.25rem;justify-items:start}
.values-list img{margin-bottom:.5rem;transition:transform .3s}
.values-list li:hover img{transform:translateY(-4px) scale(1.06)}
.values-list strong{font:600 1rem var(--f-sub);color:var(--black)}
.values-list span{font-size:.95rem;line-height:1.4}

.section{padding:clamp(3.5rem,8vw,7rem) 0}
.head{margin-bottom:clamp(2rem,4vw,3.5rem)}

/* services */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.card{background:#fff;border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 50px -30px rgba(4,3,3,.35)}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-body{padding:1.8rem;display:flex;flex-direction:column;gap:.8rem;flex:1}
.card-wide{grid-column:1/-1;background:var(--blue);border-color:var(--blue)}
.card-wide h3,.card-wide p,.card-wide a{color:#fff}
.card-wide .card-body{padding:2.4rem;max-width:760px}
.more{margin-top:auto;font:600 .9rem var(--f-sub);text-decoration:none;letter-spacing:.04em}
.more span{display:inline-block;transition:transform .2s}
.more:hover span{transform:translateX(5px)}

/* positionnement */
.gap{background:#fff;border-block:1px solid var(--line)}
.gap-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.gap-cols{display:grid;gap:1rem}
.gap-cols>div{padding:1.4rem 1.6rem;border:1px solid var(--line);border-radius:14px;background:var(--ice)}
.gap-cols h3{font:600 1.05rem var(--f-sub);margin-bottom:.2rem}
.gap-cols .solid{background:var(--graphite);border-color:var(--graphite);color:#fff}
.gap-cols .solid h3{color:#fff}

/* méthode */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;counter-reset:s}
.steps li{position:relative;padding-top:1.5rem;border-top:2px solid var(--graphite)}
.steps li::after{content:"";position:absolute;top:-2px;left:0;width:36%;height:2px;background:var(--blue);transition:width .5s}
.steps li:hover::after{width:100%}
.n{font:500 .85rem var(--f-sub);color:var(--blue);letter-spacing:.1em}
.steps h3{margin:.5rem 0 .6rem;font-size:1.4rem}

/* pourquoi */
.why{position:relative;background:var(--graphite);color:var(--ice);padding:clamp(3.5rem,8vw,7rem) 0;overflow:hidden}
.why h2,.why h3{color:#fff}.why .eyebrow{color:var(--cream)}.why .sub{color:var(--cream)}
.why-grid{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.why-cards{display:grid;gap:1.2rem}
.why-cards article{background:var(--ice);color:var(--graphite);border-radius:var(--r);padding:1.8rem}
.why-cards h3{color:var(--black);margin:.8rem 0 .4rem;font-size:1.5rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.coords{list-style:none;padding:0;margin-top:2rem;display:grid;gap:1rem}
.coords li{display:grid;gap:.1rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.coords span{font:600 .75rem var(--f-sub);letter-spacing:.14em;text-transform:uppercase;color:var(--grey)}
.coords a{font-size:1.2rem;color:var(--black);text-decoration:none;font-weight:500}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.4rem,3vw,2.4rem);display:grid;gap:1.1rem;box-shadow:0 30px 60px -40px rgba(4,3,3,.4)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.field label{display:block;font:600 .85rem var(--f-sub);margin-bottom:.35rem;color:var(--black)}
.field small{font-weight:400;color:var(--graphite)}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;font:inherit;color:var(--black);padding:.8rem 1rem;border:1.5px solid var(--grey);border-radius:10px;background:var(--ice);min-height:48px;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-10)}
.field.bad input,.field.bad select,.field.bad textarea{border-color:#b3261e}
.err{color:#b3261e;font-size:.88rem;min-height:0;margin-top:.3rem}
.err:empty{display:none}
.check label{display:flex;gap:.7rem;font-weight:400;font-family:var(--f-body);font-size:.95rem;align-items:flex-start}
.check input{width:22px;height:22px;margin-top:2px;accent-color:var(--blue);flex:none}
.actus{display:none}.actus.on{display:block}
.actus .feed{margin-top:1.5rem;min-height:0}.actus .feed iframe{min-height:420px;flex:none;height:420px}
input.vh{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;border:0!important;opacity:0;overflow:hidden}
.field .filebtn{display:inline-flex;align-items:center;margin:0;padding:.7rem 1.1rem;border:1.5px dashed var(--blue);border-radius:10px;color:var(--blue);font:600 .9rem var(--f-sub);cursor:pointer;transition:background .2s}
.field .filebtn:hover,.vh:focus-visible+.filebtn{background:var(--blue-10)}
.vh:focus-visible+.filebtn{outline:3px solid var(--blue);outline-offset:3px}
.files{list-style:none;padding:0;margin-top:.5rem;display:grid;gap:.4rem}
.files:empty{display:none}
.files li{display:flex;justify-content:space-between;align-items:center;gap:.8rem;font-size:.92rem;padding:.4rem .4rem .4rem .8rem;background:var(--ice);border-radius:8px;word-break:break-all}
.files button{flex:none;font:600 .78rem var(--f-sub);color:#b3261e;background:none;border:1px solid #b3261e;border-radius:6px;padding:.35rem .7rem;cursor:pointer}
.files button:hover{background:#b3261e;color:#fff}
.hint{font-size:.85rem;margin-top:.3rem;color:var(--graphite)}
input[type=file]{width:100%;font:inherit;font-size:.95rem;padding:.6rem;border:1.5px dashed var(--grey);border-radius:10px;background:var(--ice)}
input[type=file]::file-selector-button{font:600 .8rem var(--f-sub);margin-right:.8rem;padding:.5rem .9rem;border:0;border-radius:6px;background:var(--blue);color:#fff;cursor:pointer}
.hp{position:absolute;left:-9999px}
.form-status{font-weight:500}
.form-status.bad{color:#b3261e}

/* pages simples */
.solo{position:relative;min-height:70vh;display:grid;align-items:center;overflow:hidden;padding:4rem 0}
.solo .wrap{position:relative}
.doc{padding:clamp(3rem,7vw,6rem) 0}
.doc h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:.8rem}
.doc h2{font-size:1.6rem;margin:2.4rem 0 .6rem}
.doc p+p{margin-top:.8rem}

/* pied de page */
.site-footer{background:var(--black);color:var(--ice);padding:3.5rem 0 7rem}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:2.5rem}
.foot h2{font:600 .78rem var(--f-sub);letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-bottom:.8rem}
.foot p{line-height:1.8}
.site-footer a,.site-footer .linklike{color:var(--ice)}
.foot img{margin-bottom:1rem}
.legal{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.12);font-size:.9rem;color:var(--grey)}

/* CTA mobile fixe + cookies */
.sticky-cta{display:none}
.cookie{position:fixed;z-index:90;left:1rem;right:1rem;bottom:1rem;max-width:440px;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.3rem;box-shadow:0 24px 60px -16px rgba(4,3,3,.5)}
.cookie[hidden]{display:none}
.cookie h2{font:600 1.05rem var(--f-sub);margin-bottom:.4rem}
.cookie p{font-size:.95rem;line-height:1.5}
.cookie-btns{display:flex;gap:.7rem;margin-top:1rem}
.cookie-btns .btn{flex:1;min-height:46px}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.08s}.reveal:nth-child(3){transition-delay:.16s}.reveal:nth-child(4){transition-delay:.24s}

@media (max-width:960px){
  .hero-grid,.gap-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .values-list{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .burger{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--ice);border-bottom:1px solid var(--line);padding:.5rem 1rem 1.2rem;display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:.9rem 0;border-bottom:1px solid var(--line)}
  .nav-cta{margin-top:1rem}
  .cards,.row,.foot{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .site-header .bar{position:relative}
  .sticky-cta{display:flex;position:fixed;z-index:80;left:0;right:0;bottom:0;align-items:center;justify-content:center;min-height:60px;padding:.5rem 1rem calc(.5rem + env(safe-area-inset-bottom));background:var(--blue);color:#fff;font:600 .95rem var(--f-sub);letter-spacing:.07em;text-transform:uppercase;text-decoration:none;box-shadow:0 -10px 30px -10px rgba(4,3,3,.35);transition:transform .3s}
  .sticky-cta.off{transform:translateY(110%)}
  .cookie{bottom:4.6rem;max-width:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

a[href^=tel]{white-space:nowrap}
.video{padding:3rem 0}.video h2{margin-bottom:1.2rem}.video-box{aspect-ratio:16/9;max-width:960px;border-radius:20px;overflow:hidden;background:var(--black)}.video-box iframe{width:100%;height:100%;border:0}