/* Cristal Propreté - design system (moderne bold : blanc/near-black + bleu électrique, direction Gemini) */
:root{
  --ink:#0d0d12; --white:#fff; --primary:#2563eb; --primary-2:#1d4ed8;
  --accent:#06d6f5; --surface:#f8fafc; --muted:#64748b; --line:#e2e8f0;
  --r-lg:28px; --r-md:20px; --r-sm:12px; --maxw:1280px;
  --spring:cubic-bezier(.34,1.56,.64,1);
  --head:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:.2s ease}
ul{list-style:none}
h1,h2,h3,h4,.logo{font-family:var(--head);font-weight:700;line-height:1.08;letter-spacing:-.02em}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.kick{display:block;font-family:var(--head);font-weight:700;color:var(--primary);font-size:.9rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:.8rem}
.tag-ph{background:rgba(37,99,235,.12);color:var(--primary);padding:0 .35em;border-radius:6px;font-weight:700}
.marker{position:relative;z-index:1;display:inline-block;white-space:nowrap}
.marker::after{content:"";position:absolute;left:-4px;right:-4px;bottom:8%;height:38%;background:var(--accent);z-index:-1;border-radius:4px;opacity:.85}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:1.1rem 2.2rem;font-family:var(--head);font-weight:700;font-size:1.05rem;border-radius:100px;cursor:pointer;border:none;transition:transform .2s var(--spring),box-shadow .2s ease,background .2s}
.btn:hover{transform:scale(1.04);box-shadow:0 12px 28px -8px rgba(37,99,235,.4)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-2)}
.btn-outline{background:transparent;color:var(--ink);border:3px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-white{background:#fff;color:var(--primary)}
.btn-light{background:transparent;color:#fff;border:3px solid rgba(255,255,255,.5)}
.btn-light:hover{background:#fff;color:var(--primary);border-color:#fff}

/* header */
.cr-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:1rem 0}
.cr-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:flex;align-items:center;gap:.7rem;font-size:1.4rem;color:var(--ink)}
.logo-icon{width:40px;height:40px;background:var(--primary);border-radius:11px;display:grid;place-items:center;color:#fff;transform:rotate(-10deg);flex:0 0 auto}
.logo-icon svg{width:24px;height:24px}
.nav-pill{background:var(--surface);padding:.55rem 1.5rem;border-radius:100px;display:flex;gap:1.8rem;border:1px solid var(--line)}
.nav-pill a{font-weight:600;font-size:.95rem}
.nav-pill a:hover{color:var(--primary)}
.head-cta{display:flex}
.burger{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:.3rem}
.burger svg{width:30px;height:30px}
#mnav{display:none;background:#fff;border-bottom:1px solid var(--line)}
#mnav.open{display:block}
#mnav a{display:block;padding:.9rem 24px;border-top:1px solid var(--line);font-family:var(--head);font-weight:700;font-size:1.05rem}

/* hero */
.hero-cr{position:relative;padding:clamp(3.5rem,7vw,7rem) 0}
.hero-cr::before{content:"";position:absolute;top:-8%;right:-4%;width:44%;height:70%;background:radial-gradient(circle,rgba(6,214,245,.16),rgba(37,99,235,.05) 70%);filter:blur(80px);z-index:-1;border-radius:50%}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;align-items:center}
.hero-cr h1{font-size:clamp(2.8rem,7vw,4.6rem);margin-bottom:1.4rem}
.hero-lead{font-size:clamp(1.1rem,1.9vw,1.35rem);color:var(--muted);margin-bottom:2.4rem;max-width:44ch}
.hero-btns{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2.6rem}
.hero-proof{display:flex;flex-wrap:wrap;gap:.8rem}
.proof-pill{display:flex;align-items:center;gap:.5rem;background:var(--surface);padding:.6rem 1.2rem;border-radius:100px;font-weight:600;font-size:.9rem;border:1px solid var(--line)}
.proof-pill svg{width:18px;height:18px;color:var(--primary)}
.hero-card{background:var(--ink);color:#fff;padding:2.8rem;border-radius:var(--r-lg);transform:rotate(3deg);box-shadow:24px 24px 70px -30px rgba(13,13,18,.6)}
.hero-card h3{font-size:1.9rem;margin-bottom:1rem}
.hero-card p{opacity:.82;margin-bottom:1.6rem}
.hero-card .chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-sm);padding:1rem 1.2rem;display:flex;align-items:center;gap:.7rem;font-weight:600}
.hero-card .chip svg{width:22px;height:22px;color:var(--accent)}

/* section */
.section{padding:clamp(3.6rem,7vw,6rem) 0}
.section.surface{background:var(--surface)}
.section.ink{background:var(--ink);color:#fff}
.section.ink h2,.section.ink h3{color:#fff}
.sec-head{max-width:44rem;margin:0 auto 3rem;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.sec-head h2{font-size:clamp(2.1rem,4.6vw,3.3rem);margin-bottom:.8rem}
.sec-head p{color:var(--muted);font-size:1.1rem}
.section.ink .sec-head p{color:rgba(255,255,255,.7)}

/* breadcrumb */
.crumb-cr{border-bottom:1px solid var(--line)}
.crumb-cr ol{display:flex;flex-wrap:wrap;gap:.4rem;padding:1rem 0;font-size:.85rem;color:var(--muted);font-weight:500}
.crumb-cr li::after{content:"/";margin-left:.4rem;color:var(--line)}
.crumb-cr li:last-child::after{content:""}
.crumb-cr a{color:var(--primary);font-weight:600}

/* services */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.service-card{background:#fff;padding:2.2rem;border-radius:var(--r-md);border:2px solid var(--line);transition:transform .3s var(--spring),box-shadow .3s,border-color .3s;display:flex;flex-direction:column;gap:1.1rem}
.service-card:hover{border-color:var(--primary);transform:translateY(-8px) rotate(1deg);box-shadow:0 24px 44px -20px rgba(37,99,235,.4)}
.service-icon{width:62px;height:62px;background:var(--surface);border-radius:18px;display:grid;place-items:center;color:var(--primary)}
.service-icon svg{width:30px;height:30px}
.service-card h3{font-size:1.4rem}
.service-card p{color:var(--muted);font-size:.98rem;margin:0;flex:1}
.service-link{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--head);font-weight:700;color:var(--primary);font-size:.95rem}
.service-link svg{width:18px;height:18px;transition:transform .2s}
.service-card:hover .service-link svg{transform:translateX(4px)}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2.4rem}
.why-item .bang{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--surface);color:var(--primary);margin-bottom:1.1rem}
.why-item:nth-child(2n) .bang{color:var(--accent)}
.why-item .bang svg{width:28px;height:28px}
.why-item h3{font-size:1.35rem;margin-bottom:.5rem}
.why-item p{color:var(--muted);font-size:.96rem;margin:0}

/* formules */
.formule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;align-items:stretch}
.formule-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);padding:2.6rem;border-radius:var(--r-lg);display:flex;flex-direction:column;position:relative}
.formule-card.featured{background:#fff;color:var(--ink);transform:scale(1.04)}
.formule-card.featured h3{color:var(--ink)}
.formule-card .badge{position:absolute;top:1.4rem;right:1.4rem;background:var(--accent);color:var(--ink);padding:.35rem 1rem;border-radius:100px;font-family:var(--head);font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.03em}
.formule-card h3{font-size:1.9rem;margin-bottom:.3rem}
.formule-card .price{font-family:var(--head);font-size:1.3rem;font-weight:700;margin-bottom:1.8rem;color:var(--primary)}
.formule-list{display:flex;flex-direction:column;gap:.8rem;margin-bottom:2.2rem;flex:1}
.formule-list li{display:flex;align-items:flex-start;gap:.7rem;font-size:.98rem}
.formule-list li::before{content:"✓";color:var(--accent);font-weight:900;flex:0 0 auto}
.formule-card.featured .formule-list li::before{color:var(--primary)}

/* villes */
.villes-wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:.9rem;margin-top:2.4rem}
.ville-pill{padding:.85rem 1.7rem;background:var(--surface);border-radius:100px;font-weight:600;border:1px solid var(--line);transition:.2s var(--spring)}
.ville-pill:hover{background:var(--ink);color:#fff;transform:translateY(-3px)}
.ville-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.2rem}
.ville-card{background:#fff;border:2px solid var(--line);border-radius:var(--r-md);padding:1.6rem;transition:.3s var(--spring)}
.ville-card:hover{border-color:var(--primary);transform:translateY(-6px)}
.ville-card h3{font-size:1.3rem;margin-bottom:.3rem}
.ville-card p{color:var(--muted);font-size:.9rem;margin:0}
.ville-card .go{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--head);font-weight:700;color:var(--primary);font-size:.88rem;margin-top:.9rem}

/* steps */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.4rem}
.step{text-align:center}
.step-num{width:76px;height:76px;background:var(--primary);color:#fff;border-radius:50%;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:1.9rem;margin:0 auto 1.6rem;border:8px solid #fff;box-shadow:0 12px 26px -10px rgba(37,99,235,.5)}
.section.surface .step-num{border-color:var(--surface)}
.step h3{font-size:1.35rem;margin-bottom:.5rem}
.step p{color:var(--muted);margin:0}

/* editorial (interior) */
.split-cr{display:grid;grid-template-columns:1.3fr .7fr;gap:2.8rem;align-items:start}
.prose-cr h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.8rem}
.prose-cr h3{font-size:1.4rem;margin:2rem 0 .6rem}
.prose-cr p{color:#39424f;margin-bottom:1rem}
.prose-cr a{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.sidecard-cr{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:2rem;position:sticky;top:6rem}
.sidecard-cr h3{color:#fff;font-size:1.5rem;margin-bottom:1.2rem}
.sidecard-cr ul{display:grid;gap:.85rem;margin-bottom:1.5rem}
.sidecard-cr li{display:flex;gap:.6rem;align-items:flex-start;color:rgba(255,255,255,.85);font-size:.95rem}
.sidecard-cr li svg{width:20px;height:20px;color:var(--accent);flex:0 0 auto;margin-top:2px}
.sidecard-cr .btn{width:100%}
.checklist-cr{display:grid;gap:.75rem;margin:1rem 0 1.4rem}
.checklist-cr li{display:flex;gap:.6rem;align-items:flex-start;color:var(--ink);font-weight:500}
.checklist-cr li svg{width:22px;height:22px;color:var(--primary);flex:0 0 auto;margin-top:1px}

/* faq */
.faq-cr{display:grid;gap:1rem;max-width:52rem;margin:0 auto}
.faq-cr details{background:#fff;border:2px solid var(--line);border-radius:var(--r-md);padding:0 1.4rem;transition:border-color .2s}
.faq-cr details[open]{border-color:var(--primary)}
.faq-cr summary{cursor:pointer;list-style:none;font-family:var(--head);font-weight:700;font-size:1.1rem;padding:1.2rem 0;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-cr summary::-webkit-details-marker{display:none}
.faq-cr summary::after{content:"+";color:var(--primary);font-size:1.7rem;font-weight:400;transition:transform .25s var(--spring)}
.faq-cr details[open] summary::after{transform:rotate(45deg)}
.faq-cr .ans{padding:0 0 1.3rem;color:var(--muted)}

/* cta band */
.cta-band{background:var(--primary);color:#fff;text-align:center;padding:clamp(3.5rem,7vw,5.5rem) 0}
.cta-band h2{color:#fff;font-size:clamp(2.2rem,5vw,3.6rem);max-width:20ch;margin:0 auto 2rem}

/* contact */
.contact-cr{display:grid;grid-template-columns:.9fr 1.1fr;gap:2.6rem;align-items:start}
.contact-info li{display:flex;gap:.9rem;align-items:flex-start;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.contact-info .ic{width:48px;height:48px;border-radius:14px;background:var(--surface);color:var(--primary);display:grid;place-items:center;flex:0 0 auto}
.contact-info .ic svg{width:22px;height:22px}
.contact-info strong{display:block;font-family:var(--head)}
.contact-info span{color:var(--muted);font-size:.94rem}
.form-cr{background:#fff;border:2px solid var(--line);border-radius:var(--r-lg);padding:2rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{margin-bottom:1rem}
.field label{display:block;font-family:var(--head);font-weight:700;font-size:.9rem;margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;padding:.9rem 1rem;border:2px solid var(--line);border-radius:var(--r-sm);font-family:inherit;font-size:1rem;color:var(--ink);background:var(--surface)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:.8rem;color:var(--muted);margin-top:.4rem}

/* footer */
.cr-foot{padding:4rem 0 2rem;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:3rem;margin-bottom:3rem}
.foot-brand p{color:var(--muted);max-width:30ch;margin-top:1rem}
.foot-col h4{font-size:1.15rem;margin-bottom:1.2rem}
.foot-col a{display:block;padding:.3rem 0;color:var(--muted);font-weight:500}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{max-width:var(--maxw);border-top:1px solid var(--line);padding-top:2rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;color:var(--muted);font-size:.9rem}
.foot-bottom nav{display:flex;gap:1.4rem;flex-wrap:wrap}
.foot-bottom a:hover{color:var(--primary)}

/* mobile sticky */
.msticky{position:fixed;bottom:0;left:0;right:0;background:#fff;display:none;grid-template-columns:1fr 1.2fr;padding:.7rem;gap:.7rem;box-shadow:0 -10px 26px -12px rgba(13,13,18,.28);z-index:60;border-top:1px solid var(--line)}
.msticky .btn{padding:.85rem;font-size:.95rem}

@media(max-width:992px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-cr h1,.hero-lead{margin-left:auto;margin-right:auto}
  .hero-btns,.hero-proof{justify-content:center}
  .hero-visual{display:none}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .formule-grid{grid-template-columns:1fr;max-width:30rem;margin-inline:auto}
  .formule-card.featured{transform:none}
  .steps-grid{grid-template-columns:1fr;max-width:26rem;margin-inline:auto}
  .split-cr,.contact-cr{grid-template-columns:1fr;gap:2rem}
  .sidecard-cr{position:static}
  .nav-pill,.head-cta{display:none}
  .burger{display:block}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .service-grid,.why-grid,.form-row{grid-template-columns:1fr}
  .msticky{display:grid}
  body{padding-bottom:74px}
  .foot-grid{grid-template-columns:1fr}
}