/* ============================================================
   OvinPilot — styles partagés des pages publiques (SEO / vitrine)
   Mêmes tokens verts que la page d'accueil. Aucun impact sur /app.
   ============================================================ */
:root{
  --brand:#2f6b4f; --brand-d:#24523d; --brand-l:#4f9d76;
  --bg:#ffffff; --bg-alt:#f4f7f5; --surface:#ffffff;
  --ink:#1f2a26; --muted:#5c6a64; --line:#e3e8e5;
  --shadow:0 1px 3px rgba(20,40,30,.06), 0 12px 34px rgba(20,40,30,.08);
}
:root[data-theme="dark"]{
  --brand:#4f9d76; --brand-d:#6bbd93; --brand-l:#6bbd93;
  --bg:#0d0d0e; --bg-alt:#141614; --surface:#17181a;
  --ink:#e7ece9; --muted:#9aa5a1; --line:#2a2b2d;
  --shadow:0 1px 3px rgba(0,0,0,.45), 0 12px 34px rgba(0,0,0,.5);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px;}
.wrap-narrow{max-width:800px;margin:0 auto;padding:0 22px;}

/* --- Accès rapide clavier --- */
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:50;}
.skip:focus{left:0;}

/* --- En-tête / navigation --- */
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.logo{font-size:20px;font-weight:800;color:var(--brand-d);display:flex;align-items:center;gap:8px;white-space:nowrap;}
.logo:hover{text-decoration:none;}
.menu{display:flex;gap:4px;align-items:center;flex:1;justify-content:center;flex-wrap:wrap;}
.menu a{color:var(--ink);font-weight:600;font-size:14.5px;padding:8px 12px;border-radius:9px;}
.menu a:hover{background:var(--bg-alt);text-decoration:none;}
.menu a[aria-current="page"]{color:var(--brand-d);background:color-mix(in srgb,var(--brand) 12%,transparent);}
.nav-actions{display:flex;gap:10px;align-items:center;}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:11px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:filter .12s,background .12s;white-space:nowrap;}
.btn:hover{text-decoration:none;}
.btn.primary{background:var(--brand);color:#fff;}
.btn.primary:hover{filter:brightness(1.07);}
.btn.ghost{background:transparent;color:var(--brand-d);border-color:var(--line);}
.btn.ghost:hover{background:var(--bg-alt);}
.btn.small{padding:9px 16px;font-size:14px;}

/* --- Fil d'Ariane --- */
.crumbs{font-size:13.5px;color:var(--muted);padding:18px 0 0;}
.crumbs a{color:var(--muted);font-weight:600;}

/* --- Sections --- */
section{padding:52px 0;}
.alt{background:var(--bg-alt);}
.page-head{padding:44px 0 8px;}
.page-head h1{font-size:38px;line-height:1.14;margin:8px 0 14px;letter-spacing:-.4px;}
.page-head h1 .accent{color:var(--brand);}
.page-head .lead{font-size:19px;color:var(--muted);margin:0;max-width:720px;}
.section-title{max-width:720px;margin:0 0 30px;}
.section-title.center{text-align:center;margin-left:auto;margin-right:auto;}
.section-title h2{font-size:28px;margin:0 0 10px;}
.section-title p{color:var(--muted);font-size:17px;margin:0;}

h2{font-size:26px;line-height:1.2;}
h3{font-size:19px;line-height:1.25;}

/* --- Contenu rédactionnel --- */
.prose{max-width:760px;}
.prose h2{margin:38px 0 12px;color:var(--ink);}
.prose h3{margin:26px 0 8px;color:var(--brand-d);}
.prose p{margin:0 0 14px;color:var(--ink);font-size:16px;}
.prose ul{margin:0 0 16px;padding-left:0;list-style:none;}
.prose ul li{position:relative;padding-left:26px;margin:8px 0;color:var(--ink);font-size:16px;}
.prose ul li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:800;}
.prose .muted{color:var(--muted);}

/* --- Grille de cartes --- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cards.two{grid-template-columns:repeat(2,1fr);}
.card-lite{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;}
.card-lite:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 40%,var(--line));}
a.card-lite:hover{text-decoration:none;}
.card-lite .ic{width:46px;height:46px;border-radius:12px;background:color-mix(in srgb,var(--brand) 14%,transparent);display:flex;align-items:center;justify-content:center;color:var(--brand);margin-bottom:14px;}
.card-lite h3{margin:0 0 6px;font-size:18px;color:var(--ink);}
.card-lite p{margin:0;color:var(--muted);font-size:15px;}
.card-lite .more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand);}

/* --- Encadré note / avertissement --- */
.note{background:color-mix(in srgb,var(--brand) 8%,transparent);border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line));border-radius:14px;padding:18px 20px;margin:22px 0;}
.note p{margin:0;font-size:15px;color:var(--ink);}
.note strong{color:var(--brand-d);}

/* --- FAQ (détails natifs, sans JS) --- */
.faq{max-width:820px;margin:0 auto;}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:12px 0;box-shadow:var(--shadow);overflow:hidden;}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:16.5px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:14px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:22px;color:var(--brand);font-weight:700;line-height:1;flex:none;}
.faq details[open] summary::after{content:"−";}
.faq details[open] summary{border-bottom:1px solid var(--line);}
.faq .ans{padding:16px 22px 20px;color:var(--muted);font-size:15.5px;}
.faq .ans p{margin:0 0 10px;}
.faq .ans p:last-child{margin:0;}

/* --- Bandeau d'appel à l'action --- */
.cta{text-align:center;}
.cta h2{font-size:28px;margin:0 0 14px;}
.cta p{color:var(--muted);font-size:17px;margin:0 0 24px;}

/* --- Pied de page --- */
footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:14px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
.foot-grid h4{margin:0 0 12px;font-size:14px;color:var(--ink);text-transform:uppercase;letter-spacing:.4px;}
.foot-col a{display:block;color:var(--muted);padding:4px 0;font-weight:600;}
.foot-col a:hover{color:var(--brand);}
.foot-brand .logo{margin-bottom:10px;}
.foot-brand p{margin:0;max-width:320px;}
.foot-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}

@media (max-width:820px){
  .cards,.cards.two{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .page-head h1{font-size:30px;}
  .menu{display:none;}
}
@media (max-width:520px){
  .cards,.cards.two{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .nav-actions .btn.ghost{display:none;}
}
@media (prefers-reduced-motion:reduce){.card-lite{transition:none;}}