:root{--blue:#072b4d;--cyan:#0aa7d6;--red:#e02121;--dark:#111827;--light:#f5f8fb;--gold:#f7b731}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#172033;background:#fff;line-height:1.65}a{color:inherit}.topbar{background:#071b33;color:#fff;padding:10px 18px;text-align:center;font-weight:700}.header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #e5e7eb}.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;gap:16px}.brand{font-size:24px;font-weight:900;color:var(--blue);letter-spacing:.3px}.brand span{color:var(--cyan)}.navlinks{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}.navlinks a{text-decoration:none;font-weight:700;color:#263449}.phone{background:var(--red);color:#fff;text-decoration:none;padding:11px 16px;border-radius:999px;font-weight:900;white-space:nowrap}.hero{background:linear-gradient(135deg,rgba(7,43,77,.96),rgba(4,114,150,.88)),url('assets/plomberie-strasbourg-hero.svg');background-size:cover;color:#fff;padding:72px 18px}.hero-inner{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}.badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);padding:8px 12px;border-radius:999px;font-weight:800;margin-bottom:14px}.hero h1{font-size:44px;line-height:1.08;margin:0 0 18px}.hero p{font-size:20px;margin:0 0 22px}.cta-row{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-block;text-decoration:none;padding:14px 18px;border-radius:10px;font-weight:900}.btn-red{background:var(--red);color:#fff}.btn-white{background:#fff;color:var(--blue)}.card{background:#fff;color:#172033;border-radius:18px;padding:24px;box-shadow:0 16px 35px rgba(0,0,0,.22)}.card h2{margin-top:0;color:var(--blue)}.ticks{list-style:none;padding:0;margin:0}.ticks li{padding:8px 0;border-bottom:1px solid #edf2f7}.ticks li:before{content:'✓ ';color:#0a9d58;font-weight:900}.section{padding:56px 18px}.wrap{max-width:1180px;margin:auto}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service{border:1px solid #e6edf5;background:#fff;border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(7,43,77,.06)}.service h3{color:var(--blue);margin-top:0}.blue{background:var(--light)}.split{display:grid;grid-template-columns:1fr 1fr;gap:26px}.notice{background:#fff8e1;border-left:6px solid var(--gold);padding:18px;border-radius:12px}.faq details{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin:10px 0;padding:14px}.faq summary{font-weight:900;color:var(--blue);cursor:pointer}.zones{display:flex;flex-wrap:wrap;gap:10px}.zones span{background:#eaf5fb;color:#073b61;padding:8px 12px;border-radius:999px;font-weight:700}.footer{background:#071b33;color:#fff;padding:38px 18px}.footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}.callbar{position:fixed;bottom:0;left:0;width:100%;z-index:99;background:var(--red);text-align:center;padding:12px 10px}.callbar a{color:#fff;text-decoration:none;font-size:20px;font-weight:900}.keywords{font-size:14px;color:#475569}.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.ph{height:140px;border-radius:14px;background:linear-gradient(135deg,#cfe8f5,#ffffff);border:1px solid #dceaf2;display:flex;align-items:center;justify-content:center;text-align:center;color:#24506b;font-weight:800;padding:10px}
@media(max-width:850px){.hero-inner,.split,.footer .wrap{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.photo-grid{grid-template-columns:1fr 1fr}.nav{align-items:flex-start;flex-direction:column}.hero h1{font-size:34px}.hero p{font-size:18px}.navlinks{display:none}body{padding-bottom:60px}}