:root{
  --paper:#f6f8fb;--surface:#ffffff;--text:#16212e;--muted:#516070;--line:#d3dbe5;
  --deep:#0f2236;--on-deep:#eef3f8;--on-deep-muted:#b3c2d2;
  --accent:#f2a900;--accent-ink:#1a1300;--link:#0b5c8a;
  --head:"Archivo","Arial Narrow",Arial,sans-serif;--body:"Public Sans",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){--paper:#0b1522;--surface:#12202f;--text:#e8eef5;--muted:#9fb0c1;--line:#26384c;--deep:#07111c;--link:#6cc0f0;}
}
:root[data-theme="dark"]{--paper:#0b1522;--surface:#12202f;--text:#e8eef5;--muted:#9fb0c1;--line:#26384c;--deep:#07111c;--link:#6cc0f0;}
*,*::before,*::after{box-sizing:inherit}
html{background:var(--deep);scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font:400 1.0625rem/1.65 var(--body);-webkit-text-size-adjust:100%}
a{color:var(--link)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.wrap{width:min(1080px,100% - 2.5rem);margin-inline:auto}
h1,h2,h3{font-family:var(--head);line-height:1.1;margin:0;letter-spacing:-.01em}
.btn{display:inline-block;font:600 1rem/1 var(--body);padding:1rem 1.4rem;border-radius:6px;text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn-main{background:var(--accent);color:var(--accent-ink)}
.btn-line{border-color:var(--on-deep-muted);color:var(--on-deep)}
.btn-main:hover{background:#ffbd2e}.btn-line:hover{border-color:var(--on-deep)}

/* En-tête et héros */
.top{background:var(--deep);color:var(--on-deep)}
.bar{display:flex;justify-content:space-between;align-items:center;padding:1.1rem 0;gap:1rem}
.logo{font:800 1.35rem/1 var(--head);color:var(--on-deep);text-decoration:none}
.logo{display:flex;align-items:center;gap:.65rem}
.logo img{display:block;width:44px;height:44px;border-radius:8px}
.logo em{font-style:normal}
.logo span{color:var(--accent)}
.nav{display:flex;gap:1.4rem}
.nav a{color:var(--on-deep);text-decoration:none;font-weight:500}
.nav a:hover{text-decoration:underline}
.hero{padding:clamp(1.5rem,5vw,3.5rem) 0 clamp(3rem,8vw,5.5rem)}
.frame{position:relative;padding:clamp(1.6rem,5vw,3.4rem)}
.frame i{position:absolute;width:34px;height:34px;border:4px solid var(--accent)}
.frame i:nth-child(1){top:0;left:0;border-right:0;border-bottom:0}
.frame i:nth-child(2){top:0;right:0;border-left:0;border-bottom:0}
.frame i:nth-child(3){bottom:0;left:0;border-right:0;border-top:0}
.frame i:nth-child(4){bottom:0;right:0;border-left:0;border-top:0}
.hero h1{font-size:clamp(2.2rem,6.2vw,4.1rem);font-weight:800;max-width:15ch}
.hero p{max-width:56ch;color:var(--on-deep-muted);font-size:1.15rem;margin:1.3rem 0 2rem}
.hero p.slogan{margin:1rem 0 0;color:var(--accent);font:italic 500 1.25rem/1.4 var(--head)}
.hero p.slogan + p{margin-top:1rem}
.cta{display:flex;flex-wrap:wrap;gap:.8rem}
.pagehead{padding:clamp(1.5rem,5vw,3rem) 0 clamp(2.5rem,6vw,4rem)}
.pagehead h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
.pagehead p{color:var(--on-deep-muted);max-width:56ch;margin:1rem 0 0;font-size:1.1rem}
.nav a[aria-current="page"]{border-bottom:2px solid var(--accent)}
@media (max-width:520px){.nav{gap:.9rem}.nav a{font-size:.95rem}.logo{font-size:1.15rem}}

/* Atouts */
.facts{background:var(--surface);border-bottom:1px solid var(--line)}
.facts ul{list-style:none;margin:0;padding:1.3rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.7rem 2rem}
.facts li{font-weight:600}
.facts li span{display:block;font-weight:400;color:var(--muted);font-size:.97rem}

section{padding:clamp(3rem,8vw,5.5rem) 0}
.intro{max-width:60ch;margin-bottom:2.4rem}
.intro h2{font-size:clamp(1.7rem,4vw,2.5rem);margin-bottom:.8rem}
.intro p{color:var(--muted);margin:0}

/* Services */
.svc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.svc li{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:.4rem 2.5rem;padding:1.6rem 0;border-bottom:1px solid var(--line)}
.svc h3{font-size:1.3rem;font-weight:700}
.svc p{margin:0;color:var(--muted);max-width:62ch}
@media (max-width:700px){.svc li{grid-template-columns:1fr}}

/* Méthode */
.how{background:var(--surface);border-block:1px solid var(--line)}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}
.steps li{counter-increment:s;border-top:4px solid var(--accent);padding-top:1rem}
.steps li::before{content:counter(s) ".";font:800 1.6rem/1 var(--head);display:block;margin-bottom:.5rem}
.steps h3{font-size:1.15rem;margin-bottom:.4rem}
.steps p{margin:0;color:var(--muted);font-size:1rem}

/* Contact */
.contact{background:var(--deep);color:var(--on-deep)}
.contact .intro p{color:var(--on-deep-muted)}
.cgrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:3rem}
@media (max-width:760px){.cgrid{grid-template-columns:1fr}}
.coords{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem}
.coords small{display:block;color:var(--on-deep-muted)}
.coords a{color:var(--on-deep);font-weight:600;font-size:1.15rem;text-decoration:none;border-bottom:2px solid var(--accent)}
form{display:grid;gap:1rem}
label{display:grid;gap:.4rem;font-weight:600}
input,select,textarea{font:400 1rem/1.4 var(--body);padding:.85rem .9rem;border-radius:6px;border:1px solid #476079;background:#fff;color:#16212e;width:100%}
textarea{min-height:110px;resize:vertical}
.note{margin:0;color:var(--on-deep-muted);font-size:.95rem}
.alt{background:none;border:0;color:var(--on-deep);text-decoration:underline;font:500 1rem var(--body);cursor:pointer;padding:.4rem 0;justify-self:start}

footer{background:var(--deep);color:var(--on-deep-muted);padding:1.6rem 0 2rem;border-top:1px solid #243a52;font-size:.95rem}
.wa{position:fixed;right:1rem;bottom:0;padding-bottom:calc(1rem + env(safe-area-inset-bottom,0px));z-index:5}
.wa a{display:block;background:#25d366;color:#04230f;font-weight:700;text-decoration:none;padding:.9rem 1.2rem;border-radius:999px;box-shadow:0 4px 14px rgba(0,0,0,.3)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}