:root{
  --ink:#16324F; --ink-2:#4F667C; --paper:#F3F6F8; --sheet:#FFFFFF; --line:#D3DCE3;
  --stake:#E2A52E; --grid:rgba(22,50,79,.06);
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--stake);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:50}
.skip:focus{left:8px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.05;margin:0}
.eyebrow{font-family:var(--display);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.85rem;color:var(--ink-2);margin:0 0 8px}
.muted{color:var(--ink-2)}
.center{text-align:center;margin-top:36px}

/* En-tête */
header.top{position:sticky;top:0;z-index:20;background:rgba(243,246,248,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{font-family:var(--display);font-weight:700;letter-spacing:.2em;font-size:1.2rem;text-decoration:none}
nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
nav a{text-decoration:none;font-weight:500;font-size:.98rem;color:var(--ink-2)}
nav a:hover{color:var(--ink)}
@media (max-width:760px){nav{display:none}}

/* Boutons */
.btn{display:inline-block;font-weight:600;text-decoration:none;padding:12px 20px;border-radius:4px;border:2px solid var(--ink);transition:background .2s,color .2s;cursor:pointer;font-family:inherit;font-size:1rem}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#0E2338}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-accent{background:var(--stake);border-color:var(--stake);color:var(--ink)}
.btn-accent:hover{background:#F0B940}
.top .btn{padding:8px 14px;font-size:.92rem}

/* Hero */
.hero{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px;border-bottom:1px solid var(--line)}
.hero .wrap{position:relative;padding-top:72px;padding-bottom:64px}
.hero h1{font-size:clamp(3rem,9vw,6.4rem);font-weight:700;letter-spacing:-.01em;max-width:11ch}
.hero h1 em{font-style:normal;color:var(--stake)}
.hero-art{display:none;position:absolute;right:20px;top:96px;width:400px;color:var(--ink)}
.hero-art .fill{fill:#fff}
.hero-art .drone{stroke:var(--stake)}
.hero-art .drone-body{fill:var(--stake)}
@media (min-width:1000px){.hero-art{display:block}}
.dim{position:relative;margin:28px 0 26px;max-width:620px;height:22px}
.dim::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1.5px solid var(--ink)}
.dim::after{content:"";position:absolute;inset:0;border-left:1.5px solid var(--ink);border-right:1.5px solid var(--ink)}
.dim span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--paper);padding:0 10px;font-family:var(--display);font-weight:600;letter-spacing:.08em;font-size:.9rem;white-space:nowrap}
.lead{font-size:1.15rem;max-width:58ch;color:var(--ink-2);margin:0 0 30px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:44px;font-size:.95rem;color:var(--ink-2)}
.trust b{display:block;font-family:var(--display);font-size:1.5rem;color:var(--ink);font-weight:600}

/* Sections */
.block{padding:84px 0;border-bottom:1px solid var(--line)}
.page-head{padding-top:56px}
.head{margin-bottom:40px;max-width:720px}
.head.tight{margin-bottom:20px}
.head h2,.h-page{font-size:clamp(2.2rem,5vw,3.4rem)}
.head p{color:var(--ink-2);margin:10px 0 0;font-size:1.05rem}
.crumb{margin:0 0 18px}
.h-page + .lead{margin-top:14px}
.crumb a{text-decoration:none;color:var(--ink-2);font-weight:500}

.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.service{background:var(--sheet);padding:28px 24px}
.service .num{font-family:var(--display);font-weight:700;font-size:.95rem;color:var(--stake);letter-spacing:.1em}
.service h3{font-size:1.6rem;margin:10px 0}
.service p{margin:0;color:var(--ink-2);font-size:.98rem}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px}
.step{border-top:3px solid var(--ink);padding-top:18px}
.step h3{font-size:1.45rem;margin-bottom:8px}
.step p{margin:0;color:var(--ink-2)}
.deliv{display:flex;flex-wrap:wrap;gap:8px;margin-top:36px}
.deliv span{font-family:var(--display);font-weight:600;letter-spacing:.06em;border:1.5px solid var(--ink);padding:6px 12px;border-radius:3px;background:var(--sheet)}

/* Projets */
.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.project{display:flex;flex-direction:column;background:var(--sheet);border:1px solid var(--line);text-decoration:none;transition:border-color .2s,transform .2s}
.project:hover{border-color:var(--ink);transform:translateY(-2px)}
.thumb{aspect-ratio:4/3;overflow:hidden;background:#E7EDF1;border-bottom:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover}
.ph{height:100%;display:grid;place-items:center;color:var(--ink-2);font-size:.9rem;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:20px 20px}
.project .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.project .tag{font-family:var(--display);font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;color:var(--ink-2)}
.project h3{font-size:1.5rem}
.project p{margin:0;color:var(--ink-2);font-size:.97rem}
.project .more{margin-top:auto;padding-top:10px;font-weight:600;font-size:.95rem}

/* Fiche projet */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:8px 0 40px}
.gallery figure{margin:0;background:var(--sheet);border:1px solid var(--line)}
.gallery figure.wide{grid-column:1/-1}
.gallery img{width:100%;max-height:640px;object-fit:cover}
.gallery figure.wide img{max-height:720px}
.gallery figcaption{padding:8px 12px;font-size:.9rem;color:var(--ink-2)}
.project-text{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start;margin-bottom:36px}
.rich p{margin:0 0 16px}
.plain{list-style:none;margin:0;padding:0}
.plain li{padding:4px 0;border-bottom:1px solid var(--line)}
@media (max-width:800px){.project-text{grid-template-columns:1fr}}

/* À propos */
.about{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.about p{color:var(--ink-2);margin:0 0 16px}
.facts{background:var(--sheet);border:1px solid var(--line);padding:24px}
.facts dl{margin:0;display:grid;gap:14px}
.facts dt{font-family:var(--display);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:.82rem;color:var(--ink-2)}
.facts dd{margin:2px 0 0;font-weight:500}
@media (max-width:800px){.about{grid-template-columns:1fr}}

/* Contact */
.contact{background:var(--ink);color:#fff;border-bottom:0}
.contact .head p,.contact .eyebrow{color:#B9C8D6}
.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
@media (max-width:860px){.contact-layout{grid-template-columns:1fr}}
.contact-grid{display:grid;gap:20px}
.contact-grid div{border-top:1px solid rgba(255,255,255,.25);padding-top:12px}
.contact-grid span{display:block;font-family:var(--display);letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;color:#B9C8D6}
.contact-grid a,.contact-grid p{font-size:1.08rem;font-weight:500;color:#fff;text-decoration:none;margin:4px 0 0;word-break:break-word}
.form{background:#fff;color:var(--ink);padding:24px;border-radius:4px;display:grid;gap:14px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.form .two{grid-template-columns:1fr}}
.form label{display:grid;gap:6px;font-weight:500;font-size:.95rem}
.form input,.form textarea{font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink)}
.form input:focus,.form textarea:focus{border-color:var(--ink);outline:none}
.form .hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.form.thanks h3{font-size:1.6rem}
.form.thanks p{margin:0;color:var(--ink-2)}

footer{background:#0E2338;color:#9FB2C3;font-size:.88rem}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:20px;padding-bottom:24px}