/* Planche de maîtrise d'œuvre : papier millimétré, cartouche, annotations au feutre cobalt */
:root{--c:#012FA7;--n:#0A0A0A;--b:#FAFAFA;--w:#FFFFFF;--g:#6B7280;--f:#E5E7EB;--p:#9FB3F2;--disp:Inter,Arial,sans-serif;--mono:'JetBrains Mono','Courier New',monospace;--hand:Caveat,'Comic Sans MS',cursive;color-scheme:light}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--b);color:var(--n);font-family:var(--disp);font-size:17px;line-height:1.55;background-image:repeating-linear-gradient(0deg,rgba(1,47,167,.045) 0 1px,transparent 1px 28px),repeating-linear-gradient(90deg,rgba(1,47,167,.045) 0 1px,transparent 1px 28px)}
a{color:inherit}
:focus-visible{outline:2px solid var(--c);outline-offset:3px}
.w{max-width:1120px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase}
.k{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--c)}
.hand{font-family:var(--hand);font-weight:700;color:var(--c);line-height:1.05}
.dot{color:var(--c)}
h1,h2,h3{text-wrap:balance;letter-spacing:-.035em;line-height:1}
h1{font-size:clamp(42px,7vw,86px);font-weight:700}
h2{font-size:clamp(32px,4.5vw,54px);font-weight:700}
h3{font-size:24px;font-weight:700;letter-spacing:-.02em;line-height:1.15}
p{max-width:62ch}
.u{position:relative;display:inline-block;white-space:nowrap}.u svg{position:absolute;left:-4%;bottom:-.22em;width:108%;height:.3em;overflow:visible}
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:rgba(250,250,250,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--f)}
header.top .w{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.logo{text-decoration:none;display:flex;flex-direction:column}
.logo .a{font-family:var(--mono);font-size:10px;letter-spacing:.42em;color:var(--c);line-height:1}
.logo .b{font-weight:700;font-size:24px;letter-spacing:-.03em;line-height:1.05}
nav{display:flex;flex-wrap:wrap;gap:6px 22px}
nav a{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--g)}
nav a:hover,nav a[aria-current]{color:var(--c)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--c);color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;padding:15px 20px;text-decoration:none;border:1px solid var(--c)}
.btn.o{background:transparent;color:var(--n);border-color:var(--n)}
.btn:hover{transform:translateY(-1px)}
section{padding-block:clamp(56px,9vw,110px)}
.cart{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--f);padding-bottom:16px;margin-bottom:36px}
.hero{padding-block:clamp(48px,8vw,96px) clamp(40px,6vw,72px);position:relative}
.hero h1{max-width:13ch;margin-block:22px 26px}
.hero .lead{font-size:clamp(18px,2vw,21px)}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero .n1{position:absolute;right:clamp(16px,6vw,80px);top:clamp(70px,12vw,140px);font-size:clamp(26px,3vw,38px);transform:rotate(-6deg);max-width:260px}
.hero .peek{position:absolute;right:clamp(24px,10vw,160px);bottom:-2px;width:110px}
.pt{display:block;overflow:visible}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{background:var(--w);border:1px solid var(--f);padding:28px;display:flex;flex-direction:column;gap:14px;text-decoration:none;transition:transform .2s,box-shadow .2s;min-width:0}
.card:hover{transform:translateY(-3px) rotate(-.3deg);box-shadow:0 18px 30px rgba(10,10,10,.08)}
.card .ic{width:56px;height:56px;color:var(--c)}
.card .more{margin-top:auto;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--c)}
.blue{background:var(--c);color:var(--b);background-image:repeating-linear-gradient(0deg,rgba(250,250,250,.06) 0 1px,transparent 1px 28px),repeating-linear-gradient(90deg,rgba(250,250,250,.06) 0 1px,transparent 1px 28px)}
.blue .k{color:var(--p)}.blue .cart{border-color:rgba(250,250,250,.25)}
.steps{list-style:none;display:grid;gap:0}
.steps li{display:grid;grid-template-columns:60px minmax(0,1fr) minmax(0,1.2fr);gap:20px;align-items:baseline;padding-block:22px;border-top:1px solid rgba(250,250,250,.25)}
.steps .i{font-family:var(--mono);font-size:13px;color:var(--p)}
.steps .v{font-size:clamp(30px,4vw,48px);font-weight:700;letter-spacing:-.03em}
.steps .d{color:#d6def8}
.price{margin-top:28px;font-size:clamp(30px,3vw,40px);color:var(--b);transform:rotate(-3deg);display:inline-block}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,6vw,80px);align-items:center}
.empty{border:2px dashed var(--p);padding:clamp(24px,4vw,44px);display:flex;gap:28px;align-items:center;background:rgba(255,255,255,.6)}
.empty .pt{width:120px;flex:none}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}
.three>div{border-top:2px solid var(--n);padding-top:14px}
.portrait{width:min(420px,100%);height:auto;transform:rotate(-3deg)}
.contact{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:40px;align-items:end}
.contact .big{font-size:clamp(22px,2.6vw,30px);font-weight:500;line-height:1.5}
.contact .big a{text-decoration:none;border-bottom:2px solid var(--p)}
.contact .pt{width:min(220px,60%);margin-left:auto}
footer{border-top:1px solid var(--f);padding-block:28px 40px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--g);line-height:1.8}
footer .w{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.faq details{border-top:1px solid var(--f);padding-block:18px}
.faq summary{font-weight:700;font-size:19px;cursor:pointer;list-style:none}
.faq summary::after{content:" +";color:var(--c)}
.faq details[open] summary::after{content:" −"}
.faq p{margin-top:10px;color:#2b2f36}
.lp-hero{padding-block:clamp(48px,7vw,84px) 24px}
.lp-hero h1{font-size:clamp(38px,6vw,72px);max-width:16ch;margin-block:18px 22px}
.bul{display:grid;gap:12px;margin-top:18px;list-style:none}
.bul li{padding-left:26px;position:relative}.bul li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:2px;background:var(--c)}
@media (max-width:860px){.grid3,.three,.split,.contact{grid-template-columns:1fr}.steps li{grid-template-columns:44px minmax(0,1fr)}.steps .d{grid-column:2}.hero .n1{position:static;transform:rotate(-4deg);margin-top:28px;display:block}.hero .peek{display:none}nav{display:none}.empty{flex-direction:column;align-items:flex-start}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Projets : rail qui défile */
.defile-h{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.fls{display:flex;gap:8px}.fixe .fls{display:none}
.fl{width:48px;height:48px;border:1px solid var(--n);background:transparent;font-size:20px;cursor:pointer;color:var(--n)}
.fl:hover:not(:disabled){background:var(--c);border-color:var(--c);color:#fff}.fl:disabled{opacity:.25;cursor:default}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:min(400px,82%);gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{display:none}
.pcard{scroll-snap-align:start;background:var(--w);border:1px solid var(--f);text-decoration:none;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;min-width:0}
.pcard:hover{transform:translateY(-3px);box-shadow:0 18px 30px rgba(10,10,10,.08)}
.pcard img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;border-bottom:1px solid var(--f)}
.pcard .pc{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.pcard .more{margin-top:auto;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--c)}
.pcard.vide{border:2px dashed var(--p);background:rgba(255,255,255,.5);justify-content:flex-end;min-height:320px}.pcard.vide:hover{transform:none;box-shadow:none}