/* =========================================================
   3D ASSAINISSEMENT — Design System (maquette refonte)
   Auteur : refonte UX/UI/SEO/Conversion
   ========================================================= */

:root{
  /* Couleurs marque */
  --navy-900:#071A33;
  --navy-800:#0A2540;
  --navy-700:#103258;
  --blue-600:#0A2540;       /* repointé navy : liens, boutons primaires */
  --blue-500:#143A63;       /* repointé navy clair */
  --teal-500:#143A63;       /* repointé navy : partenaire de dégradés */
  --teal-400:#FAD417;       /* repointé JAUNE marque : accents sur fond foncé */
  --brand-500:#FAD417;      /* Jaune marque (logo) */
  --brand-600:#E9C200;      /* Jaune marque — état survol */
  --brand-100:#FEF7CC;      /* Jaune très clair — fonds */
  --urgent-600:#E9C200;     /* CTA urgence — survol */
  --urgent-500:#FAD417;     /* CTA urgence = jaune marque */
  --green-500:#16A34A;      /* validations / disponibilité */
  --amber-400:#F5B400;      /* étoiles avis (doré lisible) */

  /* Neutres */
  --ink:#0C1B2A;
  --slate-700:#33485C;
  --slate-500:#5C7184;
  --slate-300:#AEBDCB;
  --line:#E4EBF2;
  --bg:#FFFFFF;
  --bg-soft:#F4F8FC;
  --bg-tint:#FEF7DC;        /* pastille jaune très clair (puces, tuiles, hovers) */

  /* UI */
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(10,37,64,.06);
  --shadow:0 14px 40px rgba(10,37,64,.10);
  --shadow-lg:0 30px 70px rgba(10,37,64,.18);
  --container:1180px;
  --maxwide:1320px;

  --font-head:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);
  background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.12;color:var(--navy-800);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800}
h3{font-size:clamp(1.2rem,1.6vw,1.45rem);font-weight:700}
p{margin:0 0 1rem}
.container{max-width:var(--container);margin-inline:auto;padding-inline:22px}
.wide{max-width:var(--maxwide)}
section{position:relative}
.sec{padding:84px 0}
.sec-sm{padding:56px 0}
.bg-soft{background:var(--bg-soft)}
.bg-navy{background:linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#EaF1F8}
.bg-navy h2,.bg-navy h3{color:#fff}
.center{text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);
  font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--navy-700);margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--brand-500);border-radius:2px}
.lead{font-size:1.12rem;color:var(--slate-700);max-width:62ch}
.center .lead{margin-inline:auto}
.muted{color:var(--slate-500)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-head);font-weight:700;font-size:1rem;line-height:1;
  padding:16px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:.2s transform,.2s box-shadow,.2s background,.2s color;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-urgent{background:var(--urgent-500);color:var(--navy-900);box-shadow:0 12px 26px rgba(250,212,23,.40)}
.btn-urgent:hover{background:var(--urgent-600);box-shadow:0 16px 34px rgba(233,194,0,.50)}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 12px 26px rgba(10,37,64,.26)}
.btn-primary:hover{background:var(--navy-700)}
.btn-ghost{background:transparent;color:var(--navy-800);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue-500);color:var(--blue-600)}
.btn-light{background:#fff;color:var(--navy-800)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-lg{padding:19px 34px;font-size:1.08rem}
.btn-block{width:100%}

/* ---------- Header ---------- */
.topbar{background:var(--navy-900);color:#cfe0ef;font-size:.85rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;gap:18px}
.topbar a{color:#cfe0ef}
.topbar .tb-right{display:flex;gap:20px;align-items:center}
.topbar .pill{display:inline-flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green-500);box-shadow:0 0 0 4px rgba(22,163,74,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(22,163,74,0)}}
.dot.off{background:#E5484D;box-shadow:0 0 0 4px rgba(229,72,77,.22);animation:pulseRed 2s infinite}
@keyframes pulseRed{50%{box-shadow:0 0 0 7px rgba(229,72,77,0)}}

.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:18px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:800;
  font-size:1.32rem;color:var(--navy-800);letter-spacing:-.02em;flex:none}
.brand>span{white-space:nowrap}
.brand .logo{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-500);color:var(--navy-900);font-weight:800;
  box-shadow:var(--shadow-sm)}
.brand small{display:block;font-family:var(--font-body);font-weight:500;font-size:.66rem;
  letter-spacing:.14em;color:var(--navy-700);text-transform:uppercase}
.brand-logo{height:46px;width:auto;max-width:60vw;display:block}
@media(max-width:520px){.brand-logo{height:34px}}
.menu{display:flex;gap:6px;align-items:center;list-style:none;margin:0;padding:0}
.menu a{padding:9px 11px;border-radius:10px;font-weight:600;font-size:.92rem;color:var(--slate-700);white-space:nowrap}
.menu a:hover,.menu a.active{color:var(--blue-600);background:var(--bg-tint)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-phone{display:flex;flex-direction:column;align-items:flex-end;line-height:1.1}
.nav-phone small{font-size:.7rem;color:var(--slate-500);font-weight:600}
.nav-phone strong{font-family:var(--font-head);font-size:1.15rem;color:var(--navy-800)}
.nav-phone strong{white-space:nowrap}
.burger{display:none;background:none;border:0;cursor:pointer;width:46px;height:46px;border-radius:10px;flex:none}
.burger span{display:block;width:24px;height:2px;background:var(--navy-800);margin:5px auto;transition:.2s}
/* Menu mobile : masqué par défaut (toutes tailles), affiché uniquement quand ouvert */
.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:10px 22px 16px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 8px;font-weight:600;border-bottom:1px solid var(--line);color:var(--slate-700)}
.mobile-menu a:last-child{border:0}

/* ---------- Hero ---------- */
.hero{position:relative;background:
   radial-gradient(1100px 520px at 82% -8%,rgba(34,211,238,.16),transparent 60%),
   linear-gradient(165deg,var(--navy-800) 0%,var(--navy-900) 62%);
   color:#EAF2FA;overflow:hidden;padding:74px 0 86px}
.hero::after{content:"";position:absolute;inset:0;background-image:
   radial-gradient(circle at 1px 1px,rgba(255,255,255,.05) 1px,transparent 0);
   background-size:26px 26px;pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{color:#fff}
.hero h1 .hl{background:linear-gradient(120deg,#FAD417,#FFE680);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.15rem;color:#c4d6e8;max-width:54ch;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hbadge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:600}
.hbadge svg{width:17px;height:17px;color:var(--teal-400)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-trust{display:flex;align-items:center;gap:14px;font-size:.9rem;color:#bcd0e4}
.stars{color:var(--amber-400);letter-spacing:2px}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:8px;box-shadow:var(--shadow-lg);backdrop-filter:blur(4px)}
.hero-card .inner{background:#fff;border-radius:20px;padding:26px;color:var(--ink)}
.hero-card h3{font-size:1.15rem;margin-bottom:6px}
.qform label{display:block;font-size:.82rem;font-weight:600;color:var(--slate-700);margin:12px 0 6px}
.qform input,.qform select,.qform textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);
  border-radius:12px;font:inherit;font-size:.95rem;background:#fff;transition:.15s}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:none;border-color:var(--navy-800);
  box-shadow:0 0 0 4px rgba(250,212,23,.30)}
.qform .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.qform label.consent{display:flex;align-items:flex-start;gap:9px;font-weight:400;font-size:.86rem;color:var(--slate-600);line-height:1.45;margin:14px 0 0;cursor:pointer}
.qform label.consent input[type=checkbox]{width:18px;height:18px;flex:none;margin:2px 0 0;padding:0;border-radius:5px;accent-color:var(--blue-500);box-shadow:none}
.qform label.consent a{color:var(--blue-500);text-decoration:underline}
.form-note{font-size:.78rem;color:var(--slate-500);margin-top:10px;display:flex;gap:7px;align-items:flex-start}

/* ---------- Trust strip ---------- */
.trustbar{background:var(--navy-900);color:#cdddec;border-top:1px solid rgba(255,255,255,.06)}
.trustbar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 22px}
.trust-item{display:flex;gap:14px;align-items:center}
.trust-item .ti-num{font-family:var(--font-head);font-weight:800;font-size:1.7rem;color:#fff;line-height:1}
.trust-item .ti-ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff;flex:none}
.trust-item .ti-ic svg{width:28px;height:28px;display:block}
.trust-item small{display:block;color:#9fb6cb;font-size:.82rem}

/* ---------- Section heading ---------- */
.shead{max-width:680px;margin:0 auto 50px}
.shead.left{margin-left:0;text-align:left}

/* ---------- Services grid ---------- */
.grid{display:grid;gap:24px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.22s transform,.22s box-shadow,.22s border-color;display:flex;flex-direction:column}
.scard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.scard .ph{aspect-ratio:16/10;background:linear-gradient(135deg,var(--navy-700),var(--teal-500));
  position:relative;display:grid;place-items:center;color:#fff}
.scard .ph svg{width:96px;height:96px;opacity:.95;position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%)}
.scard .ph .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--navy-800);
  font-size:.72rem;font-weight:700;padding:5px 11px;border-radius:999px;font-family:var(--font-head)}
.scard .body{padding:22px;display:flex;flex-direction:column;flex:1}
.scard h3{margin-bottom:8px}
.scard p{font-size:.95rem;color:var(--slate-700);flex:1}
.scard .more{font-family:var(--font-head);font-weight:700;color:var(--blue-600);font-size:.92rem;
  display:inline-flex;align-items:center;gap:6px;margin-top:10px}
.scard:hover .more{gap:11px}

/* generic icon tile */
.itile{width:68px;height:68px;border-radius:16px;display:grid;place-items:center;
  background:var(--navy-800);color:#fff;margin-bottom:16px}
.itile svg{width:36px;height:36px;display:block}

/* feature / why cards */
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.feat h3{font-size:1.18rem}
.feat p{font-size:.95rem;color:var(--slate-700);margin:0}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:st}
.step{position:relative;padding:30px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step::before{counter-increment:st;content:"0" counter(st);font-family:var(--font-head);font-weight:800;
  font-size:2.4rem;color:var(--bg-tint);position:absolute;top:14px;right:18px;line-height:1}
.step .si{width:60px;height:60px;border-radius:14px;background:var(--navy-800);color:#fff;display:grid;place-items:center;margin-bottom:16px}
.step .si svg{width:32px;height:32px;display:block}
.step h3{font-size:1.08rem}
.step p{font-size:.9rem;color:var(--slate-700);margin:0}

/* ---------- Split / image+text ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split .ph-img{aspect-ratio:4/3;border-radius:var(--radius-lg);background:
  linear-gradient(135deg,var(--navy-700),var(--teal-500));position:relative;overflow:hidden;box-shadow:var(--shadow)}
.split .ph-img .ph-ic{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.85)}
.split .ph-img .ph-ic svg{width:88px;height:88px}
.checklist{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:12px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:1rem;color:var(--slate-700)}
.checklist li svg{width:22px;height:22px;color:var(--green-500);flex:none;margin-top:1px}

/* ---------- Zones ---------- */
.zonewrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.zonelist{columns:2;column-gap:24px;list-style:none;padding:0;margin:18px 0 0}
.zonelist li{break-inside:avoid;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.1);
  display:flex;gap:9px;align-items:center;font-size:.95rem}
.zonelist li svg{width:16px;height:16px;color:var(--teal-400)}

/* ---------- Reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.review .stars{font-size:1rem;margin-bottom:12px;display:block}
.review p{font-size:.95rem;color:var(--slate-700)}
.review .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.review .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue-600),var(--teal-500));
  color:#fff;display:grid;place-items:center;font-family:var(--font-head);font-weight:700}
.review .who b{font-family:var(--font-head);font-size:.95rem}
.review .who small{color:var(--slate-500);font-size:.8rem}
.gscore{display:inline-flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:10px 20px;box-shadow:var(--shadow-sm);font-weight:600}
.gscore b{font-size:1.3rem;font-family:var(--font-head)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.qa{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.qa summary{cursor:pointer;padding:20px 24px;font-family:var(--font-head);font-weight:700;
  font-size:1.05rem;color:var(--navy-800);list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:1.5rem;color:var(--blue-600);transition:.2s;flex:none}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .ans{padding:0 24px 22px;color:var(--slate-700);font-size:.97rem}

/* ---------- CTA band ---------- */
.ctaband{background:linear-gradient(120deg,var(--blue-600),var(--teal-500));color:#fff;border-radius:26px;
  padding:54px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}
.ctaband h2{color:#fff;margin-bottom:8px}
.ctaband p{color:rgba(255,255,255,.92);margin:0;max-width:48ch}
.ctaband .acts{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.footer{background:var(--navy-900);color:#aebfd0;padding:64px 0 0}
.footer h4{color:#fff;font-size:1rem;margin-bottom:18px;letter-spacing:.02em}
.footer .fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.1fr;gap:28px}
.footer a{color:#aebfd0;font-size:.94rem;display:block;padding:5px 0;transition:.15s}
.footer a:hover{color:#fff}
.footer .brand{color:#fff;margin-bottom:16px}
.footer-logo{height:50px;width:auto;max-width:260px;margin-bottom:18px;display:block}
.footer .fdesc{font-size:.92rem;line-height:1.7}
.footer .fcontact{display:flex;gap:10px;align-items:flex-start;margin:10px 0;font-size:.92rem}
.footer .fcontact svg{width:18px;height:18px;color:var(--teal-400);flex:none;margin-top:3px}
.footer .legal{border-top:1px solid rgba(255,255,255,.08);margin-top:46px;padding:22px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.84rem;color:#7e93a8}

/* ---------- Mobile sticky call bar ---------- */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(10,37,64,.12);
  padding:10px 14px;gap:10px}
.callbar a{flex:1;text-align:center}

/* ---------- Page hero (interior) ---------- */
.phero{background:radial-gradient(900px 420px at 88% -20%,rgba(34,211,238,.16),transparent 60%),
  linear-gradient(160deg,var(--navy-800),var(--navy-900));color:#eaf2fa;padding:56px 0 60px}
.crumbs{font-size:.86rem;color:#9fb6cb;margin-bottom:14px}
.crumbs a:hover{color:#fff}
.phero h1{color:#fff;max-width:18ch}
.phero p{color:#c4d6e8;max-width:60ch;font-size:1.08rem}
.phero .hero-actions{margin-top:24px}

/* ---------- Misc ---------- */
.tag-soft{display:inline-block;background:var(--bg-tint);color:var(--blue-600);font-weight:700;
  font-size:.78rem;padding:6px 13px;border-radius:999px;font-family:var(--font-head)}
.note{background:var(--bg-soft);border-left:4px solid var(--blue-600);padding:18px 22px;border-radius:0 12px 12px 0;
  font-size:.95rem;color:var(--slate-700)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero .container{grid-template-columns:1fr;gap:34px}
  .hero-card{max-width:520px}
  .trustbar .container{grid-template-columns:repeat(2,1fr);gap:18px}
  .g-3,.g-4,.steps,.reviews{grid-template-columns:repeat(2,1fr)}
  .split,.zonewrap{grid-template-columns:1fr;gap:30px}
  .footer .fgrid{grid-template-columns:1fr 1fr}
  .ctaband{flex-direction:column;text-align:center;padding:40px 26px}
  .ctaband p{margin-inline:auto}
}
/* Bascule en menu burger dès que la barre devient trop serrée */
@media(max-width:1180px){
  .menu,.nav-phone{display:none}
  .burger{display:block}
}
@media(max-width:760px){
  .topbar{display:none}
  .nav{height:66px}
  .callbar{display:flex}
  body{padding-bottom:72px}
  .sec{padding:56px 0}
  .g-3,.g-4,.g-2,.steps,.reviews{grid-template-columns:1fr}
  .zonelist{columns:1}
  .footer .fgrid{grid-template-columns:1fr}
  .ctaband{padding:34px 22px}
  .qform .row{grid-template-columns:1fr}
}

/* ---------- Photos réelles ---------- */
.shot{width:100%;display:block;border-radius:var(--radius-lg);box-shadow:var(--shadow);object-fit:cover}
@media(max-width:760px){.shot{border-radius:var(--radius)}}