/* styles.css — Dépannage Adoucisseur */
:root{--ink:#16324f;--muted:#526579;--blue:#0f6b86;--aqua:#dff4f3;--line:#d8e4ea;--paper:#f7fbfc;--white:#fff;--accent:#e58b45;--shadow:0 14px 36px rgba(22,50,79,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.65}a{color:var(--blue);text-underline-offset:3px}a:hover{color:#09485d}.container{width:min(1120px,calc(100% - 36px));margin:auto}.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--blue);color:#fff;font-weight:900}.brand small{display:block;font-size:.72rem;color:var(--muted);font-weight:600;letter-spacing:.04em;text-transform:uppercase}.menu{display:flex;flex-wrap:wrap;gap:18px;align-items:center}.menu a{font-size:.94rem;font-weight:700;text-decoration:none;color:var(--ink)}.menu a[aria-current=page]{color:var(--blue)}.hero{padding:82px 0 70px;background:linear-gradient(135deg,#e9f7f7 0%,#f7fbfc 58%,#fff 100%);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}.eyebrow{margin:0 0 12px;color:var(--accent);font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:.78rem}.hero h1{font-size:clamp(2.35rem,5vw,4.5rem);line-height:1.05;letter-spacing:-.055em;margin:0 0 22px;max-width:760px}.hero p{font-size:1.13rem;color:var(--muted);max-width:680px;margin:0 0 28px}.button{display:inline-block;background:var(--blue);color:#fff;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:800;box-shadow:0 8px 18px rgba(15,107,134,.18)}.button:hover{color:#fff;background:#0b586e}.button.alt{background:transparent;color:var(--blue);border:1px solid var(--blue);box-shadow:none;margin-left:8px}.hero-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}.hero-card h2{margin-top:0;font-size:1.2rem}.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:11px 0 11px 30px;border-bottom:1px solid var(--line);position:relative}.checklist li:last-child{border-bottom:0}.checklist li:before{content:"✓";position:absolute;left:0;top:10px;color:var(--accent);font-weight:900}.section{padding:68px 0}.section.tinted{background:var(--aqua)}.section-head{max-width:720px;margin-bottom:30px}.section h2{font-size:clamp(1.75rem,3vw,2.7rem);line-height:1.15;letter-spacing:-.035em;margin:0 0 12px}.section-head p{color:var(--muted);margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 8px 24px rgba(22,50,79,.05)}.card h3{margin:0 0 8px;font-size:1.18rem}.card p{color:var(--muted);margin:0 0 16px}.card a{font-weight:800}.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}.content{max-width:820px}.content h2{margin-top:42px}.content h2:first-child{margin-top:0}.content h3{margin-top:28px}.content p,.content li{color:#334b60}.content ul,.content ol{padding-left:22px}.callout{border-left:4px solid var(--accent);background:#fff8f1;padding:18px 20px;margin:28px 0;border-radius:0 10px 10px 0}.facts{display:grid;gap:14px}.fact{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px}.fact strong{display:block;color:var(--blue);margin-bottom:3px}.breadcrumbs{font-size:.9rem;color:var(--muted);padding:18px 0 0}.breadcrumbs a{color:var(--muted)}.page-hero{padding:48px 0 42px;background:var(--aqua);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;letter-spacing:-.045em;max-width:850px;margin:10px 0 12px}.page-hero p{max-width:760px;color:var(--muted);font-size:1.08rem;margin:0}.notice{background:#eef7fb;border:1px solid #cce5ee;padding:16px 18px;border-radius:10px}.site-footer{background:var(--ink);color:#dce9ef;padding:42px 0 26px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}.site-footer h2,.site-footer h3{color:#fff;margin-top:0}.site-footer a{color:#bdebf1}.site-footer p{color:#bfd1da}.legal{border-top:1px solid rgba(255,255,255,.16);margin-top:30px;padding-top:18px;font-size:.88rem;color:#aec2cb}@media(max-width:800px){.nav{align-items:flex-start;flex-direction:column;padding:15px 0}.menu{gap:12px}.hero{padding:56px 0}.hero-grid,.split,.footer-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.button.alt{margin:10px 0 0 0}.section{padding:50px 0}}
.footer-link{color:#bfd1da;margin:8px 0 0}.footer-link a{font-weight:800}