/* ============================================================
   COPROPLUMO — feuille de style partagée par toutes les pages
   Palette : bleu poudré + sable, crème dominant
   Modifiez les variables ci-dessous pour ajuster les couleurs.
   ============================================================ */
:root{
  --creme:#faf7f0;          /* fond principal */
  --creme-fonce:#f0ebdd;    /* fond alterné */
  --ciel:#eaf1f7;           /* bleu très clair */
  --bleu-doux:#a9c8e0;      /* bleu poudré clair (accents) */
  --bleu:#5b87ab;           /* bleu moyen */
  --encre:#36506a;          /* bleu encre (texte, traits) */
  --encre-fonce:#2a3f53;    /* hover */
  --sable:#caa46b;          /* sable (boutons, accents chauds) */
  --sable-clair:#e8d3aa;    /* sable clair */
  --gris:#6a7682;           /* texte secondaire */
  --blanc:#ffffff;
  --ombre:0 18px 42px -22px rgba(54,80,106,.4);
  --ombre-douce:0 10px 26px -16px rgba(54,80,106,.26);
  --rayon:24px;
  --rayon-sm:15px;
  --max:1140px;
}

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500;1,9..144,600&family=Mulish:wght@400;500;600;700;800&display=swap');

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Mulish',sans-serif;color:var(--encre);background:var(--creme);
  line-height:1.65;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(rgba(54,80,106,.02) 1px,transparent 1px);
  background-size:20px 20px;
}
h1,h2,h3,h4{font-family:'Fraunces',serif;font-weight:600;line-height:1.13;letter-spacing:-.01em;color:var(--encre)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--bleu);margin-bottom:14px;display:inline-block}
.italic{font-style:italic}

/* ===== BOUTONS ===== */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:'Mulish',sans-serif;font-weight:800;font-size:1rem;padding:15px 28px;border-radius:100px;border:none;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
.btn-primaire{background:var(--encre);color:var(--creme);box-shadow:var(--ombre-douce)}
.btn-primaire:hover{transform:translateY(-3px);box-shadow:var(--ombre);background:var(--encre-fonce)}
.btn-ghost{background:transparent;color:var(--encre);border:2px solid var(--bleu-doux)}
.btn-ghost:hover{background:var(--ciel);transform:translateY(-3px)}
.btn-tel{background:var(--sable);color:#fff}
.btn-tel:hover{transform:translateY(-3px);box-shadow:var(--ombre);background:#b9904f}
.btn-clair{background:var(--creme);color:var(--encre)}
.btn-clair:hover{transform:translateY(-3px);box-shadow:var(--ombre);background:#fff}

/* ===== HEADER / NAV ===== */
header{position:sticky;top:0;z-index:100;background:rgba(250,247,240,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(91,135,171,.18);transition:box-shadow .3s}
header.scrolled{box-shadow:0 6px 22px -16px rgba(54,80,106,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:12px;font-family:'Fraunces',serif;font-weight:600;font-size:1.4rem;color:var(--encre)}
.logo svg{width:54px;height:42px;flex-shrink:0}
.logo b{font-weight:500}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-item{position:relative}
.nav-links a{font-weight:600;font-size:.96rem;transition:color .2s;display:inline-flex;align-items:center;gap:5px}
.nav-links a:hover,.nav-links a.active{color:var(--bleu)}
.nav-item .chev{width:11px;height:11px;transition:transform .25s}
.nav-item:hover .chev{transform:rotate(180deg)}
.diff-toggle{cursor:pointer}
/* sous-menu */
.submenu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);background:var(--blanc);border:1px solid rgba(91,135,171,.18);border-radius:var(--rayon-sm);box-shadow:var(--ombre);padding:10px;min-width:230px;opacity:0;visibility:hidden;transition:.25s}
.nav-item:hover .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.submenu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px} /* pont pour le hover */
.submenu a{display:block;padding:11px 14px;border-radius:10px;font-size:.94rem;font-weight:600;transition:background .2s}
.submenu a:hover{background:var(--ciel)}
.submenu a .d{display:block;font-weight:500;font-size:.82rem;color:var(--gris);margin-top:2px}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-mobile-devis{display:none !important}
.nav-tel{font-weight:800;color:var(--encre);font-size:1.02rem;white-space:nowrap}
.burger{display:none;background:none;border:none;cursor:pointer;width:30px;height:24px;position:relative}
.burger span{position:absolute;left:0;width:100%;height:3px;background:var(--encre);border-radius:3px;transition:.3s}
.burger span:nth-child(1){top:0}.burger span:nth-child(2){top:10px}.burger span:nth-child(3){top:20px}

/* ===== SECTIONS ===== */
section{padding:80px 0;position:relative}
.section-head{max-width:620px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.75rem);margin-bottom:14px}
.section-head p{color:var(--gris);font-size:1.1rem}
.alt{background:var(--creme-fonce)}

/* ===== PAGE HERO (bandeau de titre des pages internes) ===== */
.page-hero{padding:64px 0 50px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 85% 15%,rgba(169,200,224,.4),transparent 50%),var(--ciel)}
.page-hero .eyebrow{color:var(--bleu)}
.page-hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);margin-bottom:14px}
.page-hero p{color:var(--gris);font-size:1.15rem;max-width:56ch}
.crumb{font-size:.85rem;color:var(--gris);margin-bottom:18px;font-weight:600}
.crumb a:hover{color:var(--bleu)}

/* ===== SOUS-ONGLETS (page Prestations) ===== */
.subtabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.subtab{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:100px;background:var(--blanc);border:1.5px solid var(--bleu-doux);font-weight:700;font-size:.95rem;color:var(--encre);transition:.25s}
.subtab:hover{background:var(--ciel);transform:translateY(-2px)}
.subtab.active{background:var(--encre);color:var(--creme);border-color:var(--encre)}

/* ===== CARTES GÉNÉRIQUES ===== */
.cards{display:grid;gap:24px}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--blanc);border:2px solid var(--encre);border-radius:var(--rayon);padding:34px 30px;box-shadow:6px 6px 0 -1px var(--bleu-doux);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translate(-2px,-4px);box-shadow:9px 11px 0 -1px var(--bleu-doux)}
.card .ico{width:56px;height:56px;border-radius:16px;background:var(--bleu-doux);display:grid;place-items:center;margin-bottom:18px;border:2px solid var(--encre)}
.card .ico svg{width:28px;height:28px}
.card h3{font-size:1.4rem;margin-bottom:10px}
.card p{color:var(--gris)}
.card ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin-top:14px}
.card li{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:.95rem}
.card li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sable);margin-top:8px;flex-shrink:0}

/* ===== CTA ===== */
.cta{background:var(--encre);color:var(--creme);border-radius:var(--rayon);padding:54px 46px;text-align:center;position:relative;overflow:hidden;border:2px solid var(--encre)}
.cta::before{content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;background:rgba(169,200,224,.16)}
.cta h2{color:var(--creme);font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:14px;position:relative;z-index:1}
.cta p{font-size:1.1rem;opacity:.9;max-width:52ch;margin:0 auto 28px;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.cta .btn-ghost{color:var(--creme);border-color:var(--bleu-doux)}
.cta .btn-ghost:hover{background:rgba(169,200,224,.18)}

/* ===== FOOTER ===== */
footer{background:var(--encre);color:var(--creme);padding:54px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;margin-bottom:38px}
.foot-brand .logo{color:var(--creme)}
.foot-brand p{opacity:.72;margin-top:14px;max-width:36ch;font-size:.94rem}
.foot-col h4{color:var(--creme);font-family:'Mulish';font-weight:800;font-size:.84rem;text-transform:uppercase;letter-spacing:.1em;opacity:.6;margin-bottom:14px}
.foot-col a,.foot-col span{display:block;opacity:.82;margin-bottom:9px;font-size:.95rem;transition:opacity .2s}
.foot-col a:hover{opacity:1}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem;opacity:.6}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .cards.c2,.cards.c3{grid-template-columns:1fr}
  .nav-links,.nav-tel{display:none}
  .burger{display:block}
  .nav-cta{gap:12px}
  .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;position:absolute;top:78px;left:0;right:0;background:var(--creme);padding:22px 24px;gap:6px;border-bottom:1px solid rgba(91,135,171,.2);box-shadow:var(--ombre-douce)}
  .nav-links.open a{padding:11px 0;font-size:1.05rem}
  .nav-links.open .submenu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;padding:0 0 0 16px;min-width:0;background:transparent}
  .nav-links.open .submenu::before{display:none}
  .nav-links.open .nav-mobile-devis{display:block !important;margin-top:10px;background:var(--encre);color:var(--creme);border-radius:100px;padding:13px 22px;font-weight:800;text-align:center;width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .cta{padding:42px 24px}
}
@media(max-width:560px){
  section{padding:58px 0}
  .logo{font-size:1.2rem;gap:9px}
  .logo svg{width:44px;height:34px}
  .nav-cta .btn-primaire{display:none}
}