:root{
  --nuit:#09332C; --nuit-clair:#4FBBA0; --ink:#252729; --paper:#F5F4F0; --white:#ffffff;
  --line:#E4E2DC; --line2:#D8D6CF; --muted:#55595A; --soft:#45484A; --faint:#6E7172;
  --dbg:#252729; --dsurf:#2E3234; --dline:#3C4042; --dtext:#ECEEEC; --dmut:#9DA2A0;
  --sg:'Space Grotesk',sans-serif; --ps:'IBM Plex Sans',system-ui,sans-serif; --jm:'JetBrains Mono',monospace;
  color-scheme:light;
}

/* Polices auto-hébergées — remplace le lien Google Fonts.
   Télécharge les .woff2 (sous-ensemble "latin") via https://gwfh.mranftl.com/fonts
   et place-les dans /fonts/. Adapte les noms de fichiers si besoin. */

/* Space Grotesk — police variable, couvre 400 à 700 */
@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/space-grotesk-v-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* IBM Plex Sans */
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/ibm-plex-sans-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/ibm-plex-sans-500-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("/fonts/ibm-plex-sans-600-latin.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* JetBrains Mono */
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-500-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}





*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--ps);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--sg);font-weight:600;letter-spacing:-0.02em;margin:0;line-height:1.12}
section{scroll-margin-top:84px}
.wrap{max-width:1120px;margin:0 auto;
  padding-left:calc(clamp(20px,5vw,40px) + env(safe-area-inset-left));padding-right:calc(clamp(20px,5vw,40px) + env(safe-area-inset-right));}
.narrow{max-width:760px}
.kicker{font-family:var(--jm);font-size:12px;letter-spacing:0.18em;text-transform:uppercase;color:var(--nuit);}
.kicker.on-dark{color:var(--nuit-clair)}

/* logo — curseur sur la ligne de base */
.logo{font-family:var(--sg);font-weight:600;font-size:21px;letter-spacing:-0.01em;white-space:nowrap}
.logo .dot{color:var(--nuit-clair)}
.logo .cur{display:inline-block;vertical-align:baseline;width:0.12em;height:0.66em;background:var(--nuit-clair);border-radius:0.04em;margin-left:0.16em;animation:blink 1.15s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* nav */
nav{position:sticky;top:0;z-index:50;background:rgba(37,39,41,0.88);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--dline);padding-top:env(safe-area-inset-top);}
.navrow{display:flex;align-items:center;justify-content:space-between;height:64px}
nav .logo{color:var(--dtext)}
.links{display:flex;align-items:center;gap:28px}
.links a{font-size:14px;color:var(--dmut);transition:color .15s}
.links a:hover,.links a[aria-current=page]{color:var(--dtext)}
.btn{font-family:var(--sg);font-weight:600;font-size:14px;border-radius:10px;padding:11px 20px;cursor:pointer;border:none;display:inline-block;transition:transform .12s,box-shadow .15s;text-align:center}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--nuit);color:#fff}
.btn-accent:hover{box-shadow:0 8px 20px rgba(9,51,44,.30)}
.btn-accent-l{background:var(--nuit-clair);color:var(--dbg)}
.links .btn-accent-l{color:#ffffff}
.btn-accent-l:hover{box-shadow:0 8px 22px rgba(79,187,160,.32)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line2)}
.btn-ghost:hover{border-color:var(--nuit);color:var(--nuit)}
.btn-ghost-d{background:transparent;color:var(--dtext);border:1px solid var(--dline)}
.btn-ghost-d:hover{border-color:var(--nuit-clair);color:var(--nuit-clair)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--dtext);border-radius:2px}

/* hero accueil */
.hero{background:var(--dbg);color:var(--dtext);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--dline) 1px,transparent 1px),linear-gradient(90deg,var(--dline) 1px,transparent 1px);background-size:64px 64px;opacity:.35;mask-image:radial-gradient(120% 90% at 20% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(120% 90% at 20% 0%,#000 30%,transparent 75%)}
.hero-in{position:relative;padding:92px 0 104px;max-width:660px}
.hero h1{font-size:clamp(36px,6vw,58px);color:var(--dtext)}
.hero p{font-size:clamp(16px,2.3vw,19px);color:var(--dmut);margin:22px 0 34px;max-width:560px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.tag-code{display:inline-flex;align-items:center;gap:8px;font-family:var(--jm);font-size:12px;letter-spacing:.06em;color:var(--dmut);border:1px solid var(--dline);border-radius:999px;padding:7px 14px;margin-bottom:26px}
.tag-code .d{width:7px;height:7px;border-radius:50%;background:var(--nuit-clair)}

/* page-hero (sous-pages) */
.page-hero{background:var(--dbg);color:var(--dtext);position:relative;overflow:hidden}
.page-hero .wrap{position:relative;padding:72px 0 64px}
.page-hero h1{font-size:clamp(32px,5vw,46px);color:var(--dtext);margin-top:12px}
.page-hero p{color:var(--dmut);font-size:17px;margin:16px 0 0;max-width:620px}

/* sections */
.sec{padding:84px 0}
.sec-sm{padding:60px 0}
.sec-head{display:flex;flex-direction:column;gap:14px;margin-bottom:44px;max-width:640px}
.sec-head h2{font-size:clamp(28px,4vw,38px);color:var(--ink)}
.sec-head p{color:var(--soft);margin:0}
.paper{background:var(--paper)}

/* services cartes */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:30px;transition:transform .16s,box-shadow .16s,border-color .16s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,24,31,.08);border-color:var(--line2)}
.card .ic{width:44px;height:44px;border-radius:12px;background:var(--nuit);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ic span{font-family:var(--jm);color:var(--nuit-clair);font-size:18px}
.card h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.card p{color:var(--soft);font-size:15px;margin:0}

/* service détaillé */
.svc{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:start;padding:40px 0;border-top:1px solid var(--line)}
.svc:first-of-type{border-top:none}
.svc .svc-k{font-family:var(--jm);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--nuit)}
.svc h3{font-size:26px;margin:10px 0 0;color:var(--ink)}
.svc .price{font-family:var(--jm);font-size:13px;color:var(--muted);margin-top:14px}
.svc ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}
.svc li{display:flex;gap:12px;color:var(--soft);font-size:15px;line-height:1.5}
.svc li::before{content:"";flex:none;width:7px;height:7px;margin-top:9px;border-radius:2px;background:var(--nuit)}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step .n{font-family:var(--jm);font-size:13px;color:var(--nuit)}
.step h4{font-family:var(--sg);font-weight:600;font-size:17px;margin:10px 0 8px;color:var(--ink)}
.step p{color:var(--soft);font-size:14px;margin:0}

/* études de cas */
.case{display:grid;grid-template-columns:1fr;gap:40px;align-items:start;padding:52px 0;border-top:1px solid var(--line)}
.case:first-of-type{border-top:none}
.case .cov{aspect-ratio:16/9;border-radius:16px;display:flex;align-items:center;justify-content:center;font-family:var(--sg);font-weight:700;font-size:44px}
.cov img{ pointer-events:none; -webkit-user-drag:none; user-select:none; }
.case .k{font-family:var(--jm);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--nuit)}
.case h3{font-size:28px;margin:10px 0 10px;color:var(--ink)}
.case .intro{color:var(--soft);font-size:16px;margin:0 0 24px}
.case .par{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;border-top:1px solid var(--line);padding-top:22px}
.case .par .pl{font-family:var(--jm);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--nuit);display:block;margin-bottom:6px}
.case .par p{margin:0;color:var(--soft);font-size:14px;line-height:1.5}
.tagrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.chip{font-family:var(--jm);font-size:12px;color:var(--nuit);border:1px solid var(--line2);border-radius:999px;padding:7px 13px;background:var(--white)}

/* index réalisations (accueil) */
.rhead{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}
.rhead a{font-family:var(--sg);font-weight:500;font-size:15px;color:var(--nuit)}
.rlist{display:flex;flex-direction:column;border-bottom:1px solid var(--line)}
.rrow{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:22px 8px;border-top:1px solid var(--line);transition:background .14s,padding .14s}
.rrow:hover{background:var(--white);padding-left:16px;padding-right:16px}
.rleft{display:flex;align-items:baseline;gap:20px;min-width:0}
.rnum{font-family:var(--jm);font-size:13px;color:var(--nuit)}
.rname{font-family:var(--sg);font-weight:600;font-size:clamp(19px,2.4vw,24px);color:var(--ink)}
.rrow:hover .rname{color:var(--nuit)}
.rmeta{display:flex;align-items:baseline;gap:24px;flex-shrink:0}
.rtype{font-family:var(--jm);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.ryear{font-family:var(--jm);font-size:11px;color:var(--faint);width:34px;text-align:right}

/* à propos */
.about{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:center}
.about p{color:var(--soft);font-size:16px}
.about .lead{font-family:var(--sg);font-weight:500;font-size:22px;color:var(--ink);line-height:1.4;letter-spacing:-.01em}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.mono-tile{aspect-ratio:1;background:var(--nuit);border-radius:24px;display:flex;align-items:center;justify-content:center}
.mono-tile span{font-family:var(--sg);font-weight:700;font-size:140px;color:#fff;letter-spacing:.01em}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px}
.value h4{font-family:var(--sg);font-weight:600;font-size:18px;margin:0 0 8px;color:var(--ink)}
.value p{color:var(--soft);font-size:14px;margin:0}

/* bandeau CTA */
.cta-band{background:var(--paper);border-radius:20px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:26px;color:var(--ink)}
.cta-band p{color:var(--soft);margin:6px 0 0}

/* formulaires */
.formwrap{max-width:640px}
.form{display:flex;flex-direction:column;gap:20px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-family:var(--jm);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea{font-family:var(--ps);font-size:15px;color:var(--ink);background:var(--white);border:1px solid var(--line2);border-radius:10px;padding:13px 14px;width:100%}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--nuit);box-shadow:0 0 0 3px rgba(9,51,44,.10)}
.field textarea{min-height:150px;resize:vertical}
.field input[type=file]{padding:10px;background:var(--paper);cursor:pointer}
.hint{font-family:var(--jm);font-size:10px;color:var(--faint)}
.checkbox{display:flex;align-items:flex-start;gap:10px}
.checkbox input{margin-top:3px;width:16px;height:16px;accent-color:var(--nuit);flex:none}
.checkbox label{font-family:var(--ps);font-size:13px;color:var(--soft);letter-spacing:0;text-transform:none;line-height:1.5}
.checkbox-error{color:#b3402f;font-size:13px;min-height:18px}
.btn-submit{align-self:flex-start;background:var(--nuit);color:#fff;border:none;font-family:var(--sg);font-weight:600;font-size:15px;border-radius:10px;padding:14px 28px;cursor:pointer;transition:box-shadow .15s}
.btn-submit:hover{box-shadow:0 8px 20px rgba(9,51,44,.28)}
.btn-submit:disabled{opacity:.6;cursor:default}

/* espace client / auth */
.auth{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;background:var(--paper);padding:60px 20px}
.auth-card{width:100%;max-width:420px;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:40px;box-shadow:0 20px 50px rgba(20,24,31,.07)}
.auth-card .mk{display:flex;justify-content:center;margin-bottom:22px}
.auth-card h1{font-size:24px;text-align:center;color:var(--ink)}
.auth-card .sub{color:var(--soft);font-size:14px;text-align:center;margin:8px 0 26px}
.mono-mini{width:52px;height:52px;background:var(--nuit);border-radius:14px;display:flex;align-items:center;justify-content:center;font-family:var(--sg);font-weight:700;font-size:22px;color:#fff}
.alert{background:#fbeae7;border:1px solid #f0c7bf;color:#8f3322;border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:18px}

/* tableau de bord client */
.dash-top{background:var(--dbg);color:var(--dtext);padding:26px 0}
.dash-top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.dash-top .who{display:flex;flex-direction:column;gap:3px}
.dash-top .who .n{font-family:var(--sg);font-weight:600;font-size:20px;color:var(--dtext)}
.dash-top .who .l{font-family:var(--jm);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dmut)}
.projgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:8px}
.proj{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px}
.proj .status{display:inline-block;font-family:var(--jm);font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:var(--paper);color:var(--nuit);border:1px solid var(--line2)}
.proj h3{font-size:19px;margin:14px 0 8px;color:var(--ink)}
.proj p{color:var(--soft);font-size:14px;margin:0 0 14px}
.proj .meta{font-family:var(--jm);font-size:11px;color:var(--faint)}
.proj .open{display:inline-block;margin-top:14px;font-family:var(--sg);font-weight:500;font-size:14px;color:var(--nuit)}
.empty{color:var(--soft);background:var(--paper);border:1px dashed var(--line2);border-radius:14px;padding:30px;text-align:center}

/* footer */
footer{background:var(--dbg);color:var(--dmut);border-top:1px solid var(--dline);padding-bottom:calc(30px + env(safe-area-inset-bottom))}
.footrow{display:flex;justify-content:space-between;align-items:center;gap:20px 36px;padding:30px 0;flex-wrap:wrap}
.footrow .logo{color:var(--dtext)}
.footlinks{display:flex;gap:20px;flex-wrap:wrap}
.footlinks a{font-size:13px;color:var(--dmut);transition:color .15s}
.footlinks a:hover{color:var(--dtext)}
footer .fine{font-family:var(--jm);font-size:11px;letter-spacing:.04em}

@media(max-width:900px){
  .svc{grid-template-columns:1fr;gap:18px}
  .case{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:1fr 1fr}
  .values{grid-template-columns:1fr}
}
@media(max-width:860px){
  .grid3{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr;gap:34px}
  .mono-tile{max-width:320px}
  .projgrid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .links{position:absolute;top:100%;left:0;right:0;background:rgba(37,39,41,.98);border-bottom:1px solid var(--dline);flex-direction:column;align-items:flex-start;gap:0;padding:8px 0;display:none}
  .links.open{display:flex}
  .links a{padding:14px clamp(20px,5vw,40px);width:100%}
  .links .btn{margin:10px clamp(20px,5vw,40px)}
  .burger{display:flex}
  .grid3,.steps,.case .par{grid-template-columns:1fr}
  .hero-in{padding:64px 0 76px}
  .sec{padding:60px 0}
  .cta-band{flex-direction:column;align-items:flex-start}
  .rmeta{gap:14px}
}