/* ÉclatNet Services — landing page. Mobile-first, no framework. */
:root{
  --navy:#23344a; --navy-2:#1a2738; --blue:#3f95d4; --blue-d:#2b7bb8; --blue-l:#e8f3fb;
  --ink:#1d2733; --muted:#5b6876; --line:#dde4ec; --bg:#ffffff; --bg-alt:#f4f8fb;
  --ok:#1f8a4c; --err:#c0392b; --radius:12px; --shadow:0 10px 30px rgba(35,52,74,.12);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
section[id],#devis{scroll-margin-top:72px}
a[href^="tel:"],.nowrap,#leadRef{white-space:nowrap}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;padding-bottom:64px}
img,svg{max-width:100%;display:block}
a{color:var(--blue-d)}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(1.85rem,5.5vw,3rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,4vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.center{text-align:center}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 12px;z-index:100}
.skip-link:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:2px solid transparent;border-radius:10px;padding:12px 20px;font:600 1rem/1.2 var(--font);text-decoration:none;cursor:pointer;transition:background .15s,transform .05s,box-shadow .15s;min-height:48px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue-d);color:#fff;box-shadow:0 4px 14px rgba(43,123,184,.35)}
.btn-primary:hover{background:#226a9f}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-outline:hover{background:var(--blue-l)}
.btn-ghost{background:transparent;color:var(--muted);padding-left:6px;padding-right:6px}
.btn-light{background:#fff;color:var(--navy)}
.btn-outline-light{border-color:#fff;color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1)}
.btn-lg{padding:15px 24px;font-size:1.05rem}
.btn-sm{padding:8px 14px;min-height:40px;font-size:.95rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.65;cursor:wait}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:auto;height:40px}
.brand-name{font-weight:800;font-size:1.15rem;color:var(--navy);letter-spacing:-.01em}
.brand-name span{color:var(--blue-d);font-weight:600}
.main-nav{display:none}
.header-cta{display:flex;align-items:center;gap:10px}
.phone-link{display:none;align-items:center;gap:6px;color:var(--navy);font-weight:700;text-decoration:none}
.header-cta .btn-sm{display:none}

/* Hero */
.hero{background:linear-gradient(160deg,#f2f8fd 0%,#fff 55%);padding:36px 0 44px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;gap:28px}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;color:var(--blue-d);background:var(--blue-l);padding:5px 10px;border-radius:99px;margin-bottom:14px}
.lead{font-size:1.08rem;color:var(--muted);max-width:60ch}
.hero-actions{display:flex;flex-direction:column;gap:12px;margin:22px 0 18px}
.trust-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.trust-list li{position:relative;padding-left:28px;font-weight:600;color:var(--navy)}
.trust-list li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center/14px no-repeat}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:22px}
.hero-card-title{font-size:1.25rem;margin-bottom:2px}
.hero-card-sub{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.quick-start fieldset{border:0;padding:0;margin:0 0 12px}
.quick-start legend{font-weight:600;margin-bottom:8px;color:var(--navy)}

/* Sections */
.section{padding:56px 0}
.section-alt{background:var(--bg-alt)}
.section-title{text-align:center}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 32px}
.note{text-align:center;color:var(--muted);font-size:.95rem;margin-top:24px}
.two-col{display:grid;gap:20px}
.problem-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;border-top:4px solid var(--blue)}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.check-list li{position:relative;padding-left:28px}
.check-list li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--blue-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%232b7bb8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' d='M6 12.5l4 4L18 8'/%3E%3C/svg%3E") center/13px no-repeat}
.check-list strong{color:var(--navy)}

.services-grid{display:grid;gap:16px;grid-template-columns:1fr}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;transition:box-shadow .15s,border-color .15s}
.service-card:hover{box-shadow:var(--shadow);border-color:#c9d8e6}
.service-card p{color:var(--muted);font-size:.97rem;flex:1}
.service-icon{width:46px;height:46px;border-radius:10px;background:var(--blue-l);color:var(--blue-d);display:grid;place-items:center;margin-bottom:12px}
.service-link{font-weight:600;text-decoration:none;font-size:.95rem}
.service-link:hover{text-decoration:underline}

.steps{list-style:none;padding:0;margin:0 0 32px;display:grid;gap:16px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 16px 76px;position:relative}
.step p{color:var(--muted);margin:0}
.step-num{position:absolute;left:20px;top:20px;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;display:grid;place-items:center}

.zones-grid{display:grid;gap:16px}
.zone{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.zone p{color:var(--muted);margin:0;font-size:.97rem}

.why-grid{display:grid;gap:16px}
.why{padding:20px;border-left:4px solid var(--blue);background:var(--bg-alt);border-radius:0 var(--radius) var(--radius) 0}
.why p{color:var(--muted);margin:0}

/* Form */
.section-form{background:linear-gradient(180deg,var(--navy) 0,var(--navy) 320px,var(--bg-alt) 320px)}
.form-wrap{display:grid;gap:24px}
.form-intro{color:#dbe6f1}
.form-intro .section-title{color:#fff;text-align:left}
.contact-alt{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.contact-alt a{color:#fff;font-weight:600}
.form-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:22px;border:1px solid var(--line)}
.progress{height:6px;background:var(--line);border-radius:99px;overflow:hidden}
.progress-bar{height:100%;width:33.3%;background:var(--blue-d);border-radius:99px;transition:width .3s}
.progress-label{font-size:.85rem;color:var(--muted);margin:8px 0 14px}
.step-panel{border:0;padding:0;margin:0;min-width:0}
.step-title{font-size:1.2rem;font-weight:800;color:var(--navy);margin-bottom:14px;padding:0}
.field{display:block;margin-bottom:16px}
.field-label,.field>span:first-child{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px;color:var(--navy)}
abbr[title]{text-decoration:none;color:var(--err)}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid #c8d3df;border-radius:10px;background:#fff;color:var(--ink);min-height:48px}
textarea{resize:vertical;min-height:90px}
input:focus,select:focus,textarea:focus{border-color:var(--blue-d);outline:none;box-shadow:0 0 0 3px rgba(63,149,212,.25)}
.invalid input,.invalid select,input.invalid{border-color:var(--err)}
.row{display:grid;gap:0 14px}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.chip span{display:inline-block;padding:10px 14px;border:1.5px solid #c8d3df;border-radius:99px;font-size:.95rem;font-weight:500;background:#fff;transition:all .12s;min-height:44px;line-height:1.4}
.chip input:checked+span{background:var(--navy);border-color:var(--navy);color:#fff}
.chip input:focus-visible+span{outline:3px solid var(--blue);outline-offset:2px}
.check-grid{display:grid;grid-template-columns:1fr;gap:8px}
.check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;padding:10px 12px;border:1.5px solid #c8d3df;border-radius:10px;font-size:.95rem}
.check input{width:20px;height:20px;margin:1px 0 0;accent-color:var(--blue-d);flex:none}
.check:has(input:checked){border-color:var(--blue-d);background:var(--blue-l)}
.consent{border:0;padding:4px 0;font-size:.9rem;color:var(--muted)}
.consent:has(input:checked){background:none}
.error{color:var(--err);font-size:.85rem;margin:6px 0 0;min-height:0}
.error:empty{display:none}
.hint{font-size:.9rem;color:var(--muted);background:var(--bg-alt);padding:8px 12px;border-radius:8px;margin:-6px 0 16px}
.form-error{color:var(--err);background:#fdecea;padding:10px 12px;border-radius:8px;margin-top:12px}
.step-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px}
.step-panel[data-step="1"] .step-actions{display:block}
.hp{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.thank-you{text-align:center;padding:20px 6px}
.thank-you:focus{outline:none}
.ty-icon{width:64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;font-size:2rem;font-weight:800;display:grid;place-items:center;margin:0 auto 16px}
.ty-ref{font-size:.9rem;color:var(--muted)}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:16px 48px 16px 18px;font-weight:600;color:var(--navy);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--blue-d)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 18px 16px;margin:0;color:var(--muted)}

/* Final CTA + footer */
.final-cta{background:var(--navy);color:#dbe6f1;padding:56px 0}
.final-cta h2{color:#fff}
.center-actions{align-items:center}
.site-footer{background:var(--navy-2);color:#b8c6d4;padding:40px 0 20px;font-size:.95rem}
.site-footer a{color:#fff}
.footer-grid{display:grid;gap:20px}
.footer-brand{font-weight:800;color:#fff;font-size:1.1rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.footer-logo{display:inline-flex;background:#fff;border-radius:10px;padding:5px 6px}
.footer-logo img{display:block;width:auto;height:34px}
.footer-h{font-weight:700;color:#fff;margin-bottom:4px}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:16px;margin-top:24px;font-size:.85rem}

/* Mobile action bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1.4fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.mobile-bar{transition:transform .2s}
.mobile-bar.is-hidden{transform:translateY(110%)}
.mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:10px;font-weight:700;text-decoration:none}
.mb-call{border:2px solid var(--navy);color:var(--navy)}
.mb-quote{background:var(--blue-d);color:#fff}

/* Legal page */
.legal{padding:40px 0 64px}
.legal h2{font-size:1.35rem;margin-top:1.6em}
.placeholder{background:#fff3cd;padding:0 4px;border-radius:4px}

@media (max-width:599px){
  .service-card{display:grid;grid-template-columns:46px 1fr;column-gap:14px;padding:16px}
  .service-icon{grid-row:span 3;margin:0}
  .service-card h3{margin-bottom:.25em}
  .service-card p{margin-bottom:.4em}
  .section{padding:44px 0}
  .steps .step{padding:16px 16px 14px 68px}
  .step-num{left:16px;top:16px}
}
/* ≥ 600px */
@media (min-width:600px){
  .hero-actions{flex-direction:row;flex-wrap:wrap}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .row{grid-template-columns:1fr 1fr}
  .row .col-cp{grid-column:span 1}
  .check-grid{grid-template-columns:1fr 1fr}
  .zones-grid,.why-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
  .header-cta .btn-sm{display:inline-flex}
}
/* ≥ 960px */
@media (min-width:960px){
  body{padding-bottom:0}
  .mobile-bar{display:none}
  .main-nav{display:flex;gap:22px}
  .main-nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.97rem}
  .main-nav a:hover{color:var(--blue-d)}
  .phone-link{display:inline-flex}
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1.25fr .9fr;align-items:center;gap:48px}
  .trust-list{grid-template-columns:repeat(3,auto);justify-content:start;gap:8px 22px}
  .section{padding:80px 0}
  .two-col{grid-template-columns:1fr 1fr;gap:28px}
  .services-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .steps{grid-template-columns:repeat(4,1fr)}
  .step{padding:72px 20px 20px}
  .step-num{top:20px}
  .zones-grid{grid-template-columns:repeat(4,1fr)}
  .why-grid{grid-template-columns:repeat(3,1fr)}
  .form-wrap{grid-template-columns:.8fr 1.2fr;align-items:start;gap:48px}
  .section-form{background:linear-gradient(90deg,var(--navy) 0,var(--navy) 42%,var(--bg-alt) 42%)}
  .form-intro{position:sticky;top:96px;padding-top:12px}
  .form-card{padding:32px}
  .check-grid{grid-template-columns:repeat(3,1fr)}
}