/* PC Online Business — feuille de style unique. Aucune dépendance, aucune police externe. */
:root{
  --navy:#16324f;
  --navy-deep:#0f2338;
  --accent:#b7742a;
  --accent-text:#8a5218;
  --bg:#f8f7f4;
  --surface:#ffffff;
  --text:#1d2329;
  --muted:#5b6670;
  --line:#dfe3e8;
  --on-navy-muted:#c9d2dc;
  --wrap:1080px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:1.0625rem;line-height:1.6;color:var(--text);background:var(--bg)}
img,svg{display:block;max-width:100%}
a{color:var(--navy);text-decoration:underline;text-underline-offset:.15em;text-decoration-thickness:1px;overflow-wrap:anywhere}
a:hover{color:var(--accent-text)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;color:var(--navy);margin:0 0 .5em;overflow-wrap:anywhere}
h1{font-size:clamp(2.25rem,6vw,3.5rem);letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.5vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),100% - 2.5rem);margin-inline:auto}

/* Accessibilité */
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:10;text-decoration:none}
.skip:focus{left:1rem;top:1rem}

/* En-tête */
.site-header{background:var(--surface);border-bottom:1px solid var(--line)}
.header-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding:.75rem 0}
.brand{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--navy);min-height:48px}
.brand:hover{color:var(--navy)}
.brand-mark{width:38px;height:38px;flex:none}
.brand-name{font-family:var(--serif);font-weight:600;font-size:1.2rem;white-space:nowrap}
.site-nav ul,.footer-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 1.25rem}
.site-nav a{text-decoration:none;font-size:.95rem;display:inline-flex;align-items:center;min-height:44px}
.site-nav a:hover{text-decoration:underline}
.lang{display:inline-flex;align-items:center;gap:.5rem;padding-left:1.25rem;border-left:1px solid var(--line);font-size:.95rem}
.lang [aria-current]{font-weight:700;color:var(--navy)}
.lang a{display:inline-flex;align-items:center;min-height:44px}

/* Accueil */
.hero{padding:3.5rem 0 3rem;background:linear-gradient(180deg,var(--surface),var(--bg))}
.eyebrow{font-size:.85rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.lead{font-size:clamp(1.15rem,2.2vw,1.35rem);max-width:38em}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:.6rem 1.35rem;border-radius:6px;background:var(--navy);color:#fff;text-decoration:none;font-weight:600;border:2px solid var(--navy)}
.btn:hover{background:var(--navy-deep);border-color:var(--navy-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--surface);color:var(--navy);border-color:var(--navy)}

.section{padding:3.5rem 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section h2::after{content:"";display:block;width:3rem;height:3px;background:var(--accent);margin-top:.6rem;border-radius:2px}
.section-intro{max-width:60ch;color:var(--muted);margin-bottom:2rem}
.grid-3{display:grid;gap:1.25rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:1.5rem}
.card h3{margin-top:0}
.card p{margin:0}

.about{display:grid;gap:2rem}
.idcard{margin:0;border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:.25rem 1.25rem}
.idcard>div{display:grid;grid-template-columns:minmax(8.5rem,36%) 1fr;gap:.35rem 1rem;padding:.7rem 0;border-bottom:1px solid var(--line)}
.idcard>div:last-child{border-bottom:0}
.idcard dt{color:var(--muted);font-size:.9rem;padding-top:.15rem}
.idcard dd{margin:0;font-weight:500;overflow-wrap:anywhere}

.contact-grid{display:grid;gap:1.5rem}
.contact-grid h3{font-family:var(--sans);font-size:.85rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin:1.25rem 0 .35rem}
.contact-grid h3:first-child{margin-top:0}
.contact-grid p,.contact-grid address{font-size:1.15rem;margin:0}
address{font-style:normal;line-height:1.5}
.note{margin-top:2rem;padding:1rem 1.25rem;border-left:4px solid var(--accent);background:var(--surface);color:var(--muted);font-size:.95rem;max-width:70ch}

/* Pages intérieures */
.page{padding:3rem 0 4rem}
.prose{max-width:72ch}
.prose h2{font-size:1.45rem;margin-top:2.25rem}
.prose dl{margin:0 0 1.5rem}
.prose dl div{display:grid;grid-template-columns:minmax(8.5rem,32%) 1fr;gap:.35rem 1rem;padding:.55rem 0;border-bottom:1px solid var(--line)}
.prose dt{color:var(--muted)}
.prose dd{margin:0;overflow-wrap:anywhere}
.updated{color:var(--muted);font-size:.95rem}

/* Pied de page */
.site-footer{background:var(--navy);color:#fff;margin-top:2rem;padding:2.75rem 0 1.5rem;font-size:.95rem}
.site-footer a{color:#fff}
.site-footer a:hover{color:var(--on-navy-muted)}
.site-footer p{margin:0 0 .6rem;color:var(--on-navy-muted)}
.site-footer p.footer-brand{font-family:var(--serif);font-size:1.25rem;font-weight:600;color:#fff}
.footer-grid{display:grid;gap:1.75rem}
.footer-nav ul{flex-direction:column;gap:.15rem}
.footer-nav a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}
.footer-nav a:hover{text-decoration:underline}
.copyright{margin-top:2rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.18)}
.copyright p{margin:0}

@media (min-width:720px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:860px){
  .about{grid-template-columns:1.1fr 1fr;align-items:start}
  .footer-grid{grid-template-columns:1.4fr 1fr .8fr}
}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}