*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --p:#0D5C8F;--pd:#0A3D5C;--accent:#B8500E;--accent-h:#9A4209;
  --bg:#F6F8FA;--card:#fff;--text:#1A1A1A;--muted:#4A5568;--border:#CBD5E0;
  --success:#16a34a;--r:10px
}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:17px}
a{color:var(--p);text-decoration:none}a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:3px solid var(--p);outline-offset:2px}

/* Nav */
nav{background:var(--pd);padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:64px;box-shadow:0 2px 8px rgba(0,0,0,.2)}
nav a.logo{color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:-.5px;display:flex;align-items:center;gap:4px}
nav a.logo span:first-child{color:#fff}
nav a.logo span:nth-child(2){color:#7dd3fc;font-weight:400}

/* Hero */
.hero{background:linear-gradient(135deg,#0A3D5C 0%,#0D5C8F 60%,#2d8bc9 100%);color:#fff;padding:3rem 1.5rem 2.5rem;text-align:center}
.hero h1{font-size:clamp(1.5rem,4vw,2.4rem);font-weight:800;margin-bottom:.75rem;line-height:1.3}
.hero p{font-size:1.05rem;opacity:.92;max-width:640px;margin:0 auto 1.5rem}
.badge{display:inline-flex;align-items:center;gap:.35rem;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:20px;padding:5px 14px;font-size:.85rem;margin:.25rem}
.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:.3rem;margin-bottom:1.5rem}

/* Buttons */
.btn-cta{display:inline-block;background:var(--accent);color:#fff;padding:14px 32px;border-radius:8px;font-weight:700;font-size:1.05rem;box-shadow:0 4px 15px rgba(184,80,14,.35);cursor:pointer;border:none;min-height:52px;text-align:center}
.btn-cta:hover{background:var(--accent-h);text-decoration:none;color:#fff}

/* Layout */
main{max-width:960px;margin:0 auto;padding:2rem 1.5rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem;margin-bottom:1.25rem;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.card h2,.card h3{font-weight:700;color:var(--pd)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-top:1rem}
.grid-sm{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.6rem;margin-top:.75rem}

/* Links grid */
.nearby{border:1px solid var(--border);border-radius:6px;padding:.7rem .9rem;font-size:.9rem;min-height:52px;display:flex;align-items:center}
.nearby:hover{background:#e0f2fe;text-decoration:none}

/* Breadcrumb */
.bc{font-size:.85rem;color:var(--muted);margin-bottom:1.25rem;display:flex;flex-wrap:wrap;gap:.3rem;align-items:center}
.bc a{color:var(--muted)}.bc a:hover{color:var(--p)}.bc .sep{color:var(--border);user-select:none}

/* Titles */
.st{font-size:1.3rem;font-weight:700;margin-bottom:1rem;color:var(--pd)}

/* Stats */
.stats{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.75rem}
.stat{flex:1;min-width:130px;background:#e0f2fe;border-radius:8px;padding:.75rem;text-align:center}
.stat .n{font-size:1.4rem;font-weight:800;color:var(--pd)}
.stat .l{font-size:.78rem;color:var(--muted);margin-top:.2rem}

/* Pros/Cons */
.pc{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.75rem}
.pros{background:#f0fdf4;border-left:4px solid #22c55e;padding:.75rem 1rem;border-radius:0 6px 6px 0}
.cons{background:#fef2f2;border-left:4px solid #ef4444;padding:.75rem 1rem;border-radius:0 6px 6px 0}
.pros li,.cons li{font-size:.92rem;margin-bottom:.4rem;margin-left:1rem}

/* Artisan card */
.artisan{background:#fff;border:1px solid var(--border);border-radius:8px;padding:1rem;display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}
.artisan .name{font-weight:700;font-size:.95rem}
.artisan .addr{font-size:.82rem;color:var(--muted)}
.artisan .tag{display:inline-block;background:#dcfce7;color:#166534;font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:4px}

/* FAQ */
details{border:1px solid var(--border);border-radius:8px;margin-bottom:.5rem;background:#fff}
details summary{padding:.75rem 1rem;cursor:pointer;font-weight:600;font-size:.95rem;list-style:none}
details summary::before{content:"+ ";color:var(--p);font-weight:800}
details[open] summary::before{content:"- "}
details>div{padding:0 1rem 1rem;font-size:.92rem;line-height:1.7}

/* Simulateur */
.sim{border-top:4px solid var(--p)}
.sim-step{margin-bottom:1rem}
.sim-step p{font-weight:600;margin-bottom:.5rem}
.sim-btn{background:#fff;border:2px solid var(--border);border-radius:8px;padding:.75rem 1rem;text-align:center;cursor:pointer;font-size:.92rem;font-weight:500;min-height:52px;display:flex;align-items:center;justify-content:center;width:100%}
.sim-btn:hover{border-color:var(--p);background:#e0f2fe}
.sim-btn.active{border-color:var(--p);background:#dbeafe;font-weight:700}
.sim-result{background:linear-gradient(135deg,#e0f2fe 0%,#f0f7fb 100%);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem;margin-top:1rem}
.sim-result .n{font-size:1.4rem;font-weight:800;color:var(--pd)}
.sim-result .l{font-size:.78rem;color:var(--muted)}

/* Guide cards */
.guide-card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:1.25rem;display:block}
.guide-card:hover{border-color:var(--p);box-shadow:0 2px 12px rgba(13,92,143,.15);text-decoration:none}
.guide-card h3{color:var(--pd);font-size:1.05rem;margin-bottom:.4rem}
.guide-card p{font-size:.88rem;color:var(--muted)}

/* Devis form */
.devis-form{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.devis-form textarea,.devis-form .full{grid-column:1/-1}
.devis-form input,.devis-form select,.devis-form textarea{padding:12px 14px;border:1px solid var(--border);border-radius:6px;font-size:.95rem;font-family:inherit}
.devis-form textarea{min-height:80px;resize:vertical}
.devis-result{display:none;background:#f0fdf4;border:1px solid #86efac;border-radius:8px;padding:1rem;text-align:center;margin-top:.75rem}

/* Footer */
footer{background:var(--pd);color:rgba(255,255,255,.7);text-align:center;padding:1.5rem;font-size:.85rem;margin-top:3rem}
footer a{color:#7dd3fc}

/* Responsive */
@media(max-width:600px){
  .hero{padding:2rem 1rem 1.5rem}.hero h1{font-size:1.4rem}
  main{padding:1rem}.grid{grid-template-columns:1fr 1fr}
  .pc{grid-template-columns:1fr}.stats{flex-direction:column}
  .devis-form{grid-template-columns:1fr}
}