/* Star-Autos.com — feuille de style réseau */
:root{
  --navy:#0f1e35; --navy2:#13294b; --ink:#1b2532; --gold:#f2b705; --gold-d:#cf9a00;
  --red:#e23b2e; --bg:#f6f8fb; --card:#ffffff; --line:#e4e9f0; --muted:#5b6a7d;
  --txt:#1b2532; --green:#1f9d63; --radius:14px; --pill:999px;
  --font:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
  --shadow:0 10px 30px rgba(15,30,53,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:var(--font);line-height:1.65;}
a{color:var(--navy2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
/* Header */
header.site{position:sticky;top:0;z-index:50;background:var(--navy);box-shadow:0 2px 14px rgba(0,0,0,.25)}
header.site .bar{display:flex;align-items:center;gap:18px;height:64px;max-width:1080px;margin:0 auto;padding:0 20px}
header.site .logo{font-weight:800;font-size:1.25rem;color:#fff;letter-spacing:-.02em;white-space:nowrap}
header.site .logo b{color:var(--gold)}
header.site nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
header.site nav a{color:#cdd8e8;font-size:.92rem;padding:8px 12px;border-radius:var(--pill)}
header.site nav a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
header.site nav a.cta{background:var(--gold);color:var(--navy);font-weight:700}
header.site nav a.cta:hover{background:var(--gold-d);color:#fff}
.burger{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;padding:7px 11px;font-size:1.1rem}
/* ===== NAV unifiée (style Apple, sticky, burger hors menu) ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid rgba(0,0,0,.07)}
.nav .bar{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:8px;height:54px;padding:0 20px}
.nav .logo{font-weight:700;letter-spacing:.3em;font-size:1.05rem;color:#1d1d1f}
.nav .logo b{color:var(--gold)}
.nav .links{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav .links a{font-size:.85rem;font-weight:500;color:#1d1d1f;padding:7px 11px;border-radius:8px}
.nav .links a:hover{background:rgba(0,0,0,.06);text-decoration:none}
.nav .links a.cta{background:#0071e3;color:#fff}
.nav .links a.cta:hover{background:#0077ed}
.nav .burger{display:none;margin-left:auto;background:none;border:0;font-size:1.35rem;line-height:1;cursor:pointer;color:#1d1d1f;padding:4px 8px}
@media(max-width:860px){
  .nav .burger{display:block}
  .nav .links{display:none;position:absolute;top:54px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(255,255,255,.98);backdrop-filter:blur(12px);padding:6px 0;border-bottom:1px solid rgba(0,0,0,.08)}
  .nav .links.open{display:flex}
  .nav .links a{padding:13px 22px;width:100%;border-radius:0;font-size:.95rem}
  .nav .links a.cta{background:none;color:#0071e3;font-weight:700}
}

/* Hero */
.hero{background:linear-gradient(160deg,var(--navy),var(--navy2));color:#fff;padding:54px 0 48px}
.hero h1{font-size:2.4rem;margin:.1em 0 .3em;letter-spacing:-.02em;line-height:1.15}
.hero p{font-size:1.12rem;color:#c7d3e6;max-width:680px}
.hero .kw{display:inline-block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);border:1px solid rgba(242,183,5,.35);background:rgba(242,183,5,.08);padding:6px 14px;border-radius:var(--pill);margin-bottom:16px}
.btn{display:inline-block;background:var(--gold);color:var(--navy);font-weight:700;padding:13px 22px;border-radius:var(--pill);margin-top:22px;border:none;cursor:pointer;font-size:1rem}
.btn:hover{background:#fff;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;margin-left:8px}
/* Sections */
section.block{padding:46px 0}
h2{font-size:1.7rem;letter-spacing:-.01em;margin:0 0 6px}
h2.center{text-align:center}
.lead-sub{color:var(--muted);margin:0 auto 30px;max-width:640px}
.lead-sub.center{text-align:center}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin:.2em 0 .4em;font-size:1.18rem}
.card .ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--navy2));display:grid;place-items:center;font-size:1.3rem;margin-bottom:6px}
.card .tag{display:inline-block;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--gold-d);background:rgba(242,183,5,.12);border-radius:var(--pill);padding:3px 10px;margin-bottom:8px}
.muted{color:var(--muted)}
.center{text-align:center}
/* Article */
article.post{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 40px;box-shadow:var(--shadow);margin:30px auto}
article.post .meta{color:var(--muted);font-size:.86rem;margin-bottom:6px}
article.post h1{font-size:2rem;line-height:1.2;margin:.1em 0 .3em}
article.post h2{font-size:1.35rem;margin:1.6em 0 .4em;padding-top:.2em}
article.post h3{font-size:1.12rem;margin:1.3em 0 .3em}
article.post p,article.post li{font-size:1.03rem}
article.post ul,article.post ol{padding-left:22px}
article.post .chapo{font-size:1.12rem;color:#33404f;border-left:3px solid var(--gold);padding-left:16px;font-family:var(--serif)}
.crumbs{font-size:.84rem;color:var(--muted);padding:16px 0}
.crumbs a{color:var(--muted)}
.callout{background:#fff8e4;border:1px solid #f3dd9b;border-radius:12px;padding:16px 18px;margin:22px 0;font-size:.97rem}
.callout.info{background:#eef4ff;border-color:#cdddff}
.callout b{color:var(--navy)}
.toolbox{background:var(--navy);color:#fff;border-radius:14px;padding:22px 24px;margin:26px 0;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.toolbox .t{flex:1;min-width:220px}
.toolbox h4{margin:0 0 4px;color:var(--gold)}
.toolbox p{margin:0;color:#c7d3e6;font-size:.95rem}
.toolbox a{background:var(--gold);color:var(--navy);font-weight:700;padding:11px 18px;border-radius:var(--pill);white-space:nowrap}
.toolbox a:hover{background:#fff;text-decoration:none}
.related{border-top:1px solid var(--line);margin-top:30px;padding-top:18px}
.related a{display:block;padding:6px 0}
.disclosure{font-size:.82rem;color:var(--muted);background:#f0f3f8;border-radius:10px;padding:10px 14px;margin:20px 0}
/* Blog list */
.postlist{display:grid;gap:14px}
.postrow{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;display:flex;gap:16px;align-items:baseline;box-shadow:var(--shadow)}
.postrow .date{color:var(--muted);font-size:.82rem;white-space:nowrap;min-width:96px}
.postrow .silo{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--gold-d);background:rgba(242,183,5,.12);border-radius:var(--pill);padding:2px 9px;white-space:nowrap}
.postrow a{font-weight:600;font-size:1.02rem}
/* Tools */
.toolwrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow);margin:26px auto}
.field{margin:14px 0}
.field label{display:block;font-weight:600;margin-bottom:5px;font-size:.95rem}
.field input,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:1rem;background:#fbfcfe}
.field .hint{font-size:.82rem;color:var(--muted);margin-top:4px}
.result{margin-top:22px;background:var(--navy);color:#fff;border-radius:12px;padding:22px 24px}
.result .big{font-size:2rem;font-weight:800;color:var(--gold)}
.result .line{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.12);padding:7px 0;font-size:.95rem;color:#d3deee}
.result .line span:last-child{font-weight:700;color:#fff}
.checkitem{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.checkitem input{margin-top:5px;width:18px;height:18px;flex:none}
.scorebar{height:14px;background:#e4e9f0;border-radius:var(--pill);overflow:hidden;margin:10px 0}
.scorebar>div{height:100%;background:linear-gradient(90deg,var(--red),var(--gold),var(--green));width:0;transition:width .3s}
/* Footer */
footer.site{background:var(--ink);color:#aab6c6;padding:40px 0 28px;margin-top:50px}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px}
footer.site h5{color:#fff;font-size:.95rem;margin:0 0 10px}
footer.site a{color:#aab6c6;display:block;padding:3px 0;font-size:.9rem}
footer.site a:hover{color:var(--gold)}
footer.site .legal{border-top:1px solid #2a3645;margin-top:26px;padding-top:18px;font-size:.82rem;color:#7b8a9c}
@media(max-width:760px){
  header.site nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:10px 16px}
  header.site nav.open{display:flex}
  header.site nav a{padding:11px 8px}
  .burger{display:block}
  .hero h1{font-size:1.85rem}
  article.post{padding:24px 20px}
}