/* ===== Tokens ===== */
:root{
  /* Palette claire orientée plombier */
  --blue:#0077B6;         /* bleu primaire */
  --orange:#FF6B4F;       /* accent orangé/cuivre */
  --green:#22C55E;

  --bg:#ffffff;           /* fond page */
  --card:#ffffff;         /* cartes/sections */
  --muted:#475569;        /* texte secondaire */
  --text:#0b1220;         /* texte principal (quasi noir) */
  --white:#fff;

  --border:#e5e7eb;       /* gris clair */
  --radius:18px;

  --nav-h:72px; --nav-pad:12px;
  --shadow:0 8px 30px rgba(2,6,23,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Ubuntu,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1120px;margin-inline:auto;padding:0 16px}
.section{padding:56px 0}
h1,h2,h3{line-height:1.2;margin:0 0 12px}
h1{font-size:clamp(28px,3.6vw,44px)}
h2{font-size:clamp(22px,2.8vw,32px)}
h3{font-size:20px}
p{margin:0 0 12px;color:var(--text)}
.muted{color:var(--muted)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media(min-width:900px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.badge{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue),#186BFF);color:#fff;padding:6px 10px;border-radius:999px;font-weight:800;font-size:12px;letter-spacing:.2px;line-height:1}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:12px;padding:12px 18px;font-weight:800;transition:.2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--blue),#186BFF);color:#fff;border:0}
.btn-primary:hover{transform:translateY(-1px);opacity:.95}
.btn-ghost{border:1px solid var(--border);background:transparent;color:var(--text)}
.btn-orange{background:linear-gradient(135deg,var(--orange),#ff8a72);color:#000}

/* ======================= TOPBAR ======================= */
.topbar{background:linear-gradient(90deg,rgba(0,119,182,.08),rgba(196,106,43,.08));border-bottom:1px solid var(--border)}
.topbar__inner{display:flex;align-items:center;justify-content:center;padding:12px 0}
.topbar__call{
  display:flex;align-items:center;justify-content:center;gap:14px;
  width:90%;max-width:860px;margin:8px 20px 8px 20px;
  padding:10px 16px;border-radius:999px;border:1px solid var(--border);
  background:linear-gradient(180deg,#ffffff,#ffffff);
  min-height:56px; box-shadow:0px 0px 2px 2px rgba(0,0,0,255);
}
.topbar__call:hover{filter:brightness(1.02)}
.topbar__badge{
  display:inline-grid;place-items:center;
  height:32px;padding:0 12px;line-height:1;font-size:12px;font-weight:800;white-space:nowrap;
}
.topbar__texts{display:flex;flex-direction:column;align-items:center;text-align:center;min-width:0}
.topbar__phone{
  font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-size:clamp(14px,2.6vw,16.5px);line-height:1.2;
}
.topbar__hint{
  margin-top:2px;opacity:.9;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-size:clamp(12px,2.2vw,14px);line-height:1.15;color:var(--muted);
}
@media(max-width:899px){
  .topbar__inner{padding:12px 0}
  .topbar__call{max-width:640px;min-height:56px}
  .topbar__badge{height:30px;padding:0 10px}
}

/* =================== HEADER / NAV =================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#ffffffee;backdrop-filter:saturate(1.1) blur(6px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
  box-shadow:0px 0px 2px 2px rgba(0,0,0,255);
}
.site-header.scrolled{box-shadow:var(--shadow)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:var(--nav-h);padding-block:var(--nav-pad)}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:64px;height:64px;border-radius:12px}
.brand__title{font-size:30px;letter-spacing:.3px}
.brand__tag{display:block;font-size:20px;margin-top:-5px;color:var(--muted)}
@media(max-width:899px){
  .brand img{width:52px;height:52px}
  .brand__title{font-size:26px}
  .brand__tag{font-size:18px}
}
.hamburger{display:inline-flex;flex-direction:column;gap:5px;padding:10px;border:0;background:transparent;cursor:pointer}
.hamburger span{width:28px;height:2px;background:#0b1220;border-radius:2px;transition:transform .2s ease, opacity .2s ease}
@media(min-width:900px){.hamburger{display:none}}
.nav__wrap{display:none}
@media(min-width:900px){.nav__wrap{display:block}}
.nav__list{display:flex;gap:14px;list-style:none;margin:0;padding:0;align-items:center}
.nav__link{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:10px;color:#0b1220;font-weight:700;line-height:1}
.nav__link:hover{background:#f1f5f9}
.nav__link.active{background:#eaf2ff; border: 1px solid #bfd6ff;}
.nav__cta{margin-left:6px}

/* ===== Mobile menu clair ===== */
@media(max-width:899px){
  .nav__wrap{
    position:absolute;left:0;right:0;top:100%;
    background:#ffffff;border-top:1px solid var(--border);box-shadow:0 20px 40px rgba(0,0,0,.08);
    opacity:0;transform:translateY(-8px);transition:opacity .18s ease, transform .18s ease;
    pointer-events:none;max-height:calc(100vh - var(--nav-h));overflow:auto;
  }
  .site-header.open .nav__wrap{display:block;opacity:1;transform:translateY(0);pointer-events:auto}
  .nav__list{flex-direction:column;gap:10px;align-items:center;padding:14px 16px 18px;margin:0}
  .nav__link{justify-content:center;width:100%;text-align:center}
  .nav__cta{margin:6px 0 0;width:100%;display:flex;justify-content:center}
  .site-header.open .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header.open .hamburger span:nth-child(2){opacity:0}
  .site-header.open .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (prefers-reduced-motion: reduce){.nav__wrap{transition:none;transform:none}}

/* =================== HERO / FORMS / ETC. =================== */
.hero{position:relative;overflow:hidden;border-radius:22px;background:
 radial-gradient(80% 50% at 10% 0%,rgba(0,119,182,.10),transparent 60%),
 radial-gradient(70% 40% at 90% 10%,rgba(196,106,43,.10),transparent 60%),
 linear-gradient(180deg,#f8fafc,#ffffff)}
.hero .wrap{display:grid;gap:24px;padding:28px}
@media(min-width:900px){.hero .wrap{grid-template-columns:1.1fr .9fr;padding:40px}}
.hero img{border-radius:18px;border:1px solid var(--border);box-shadow:0 10px 30px rgba(2,6,23,.06)}
label{display:block;font-weight:700;margin-bottom:6px}
.input, select, textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#ffffff;color:var(--text)}
textarea{min-height:140px;resize:vertical}
.row{display:grid;gap:14px}
@media(min-width:720px){.row-2{grid-template-columns:1fr 1fr}.row-3{grid-template-columns:1fr 1fr 1fr}}
.help{font-size:12px;color:var(--muted)}

.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:900px){.kpis{grid-template-columns:repeat(4,1fr)}}
.kpi{background:#f8fafc;border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center}
.kpi b{font-size:22px}

/* Puces des listes */
.list{display:grid; gap:12px}
.list li{display:flex;gap:12px;align-items:flex-start}
.dot{
  display:inline-block;flex:0 0 10px;width:10px;height:10px;min-width:10px;min-height:10px;
  aspect-ratio:1 / 1;border-radius:999px;background:linear-gradient(135deg,var(--green),#3bd46a);
  box-shadow:0 0 0 2px rgba(59,212,106,.18) inset;margin-top:6px;transform:translateZ(0);
}
@media (max-width:480px){
  .dot{width:9px;height:9px;flex-basis:9px;min-width:9px;min-height:9px;margin-top:6px}
  .list li{gap:10px}
}

/* ===== Grille des services ===== */
.services-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width: 900px){.services-grid{grid-template-columns:repeat(2, 1fr)}}
.service-card h2{ margin-top:0; }

/* ===== Galerie ===== */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:800px){.gallery{grid-template-columns:repeat(4,1fr)}}
.gallery a{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--border)}
.gallery img{width:100%;height:160px;object-fit:cover}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;place-items:center;padding:20px}
.lightbox img{max-height:90vh;border-radius:12px;border:1px solid #374151}
.lightbox.open{display:grid}

/* ===== Accordéon ===== */
.acc .item{border:1px solid var(--border);border-radius:14px;margin-bottom:10px;background:#fff}
.acc .head{display:flex;justify-content:space-between;padding:14px 16px;cursor:pointer}
.acc .body{display:none;padding:0 16px 16px}
.acc .item.open .body{display:block}

/* ======================= FOOTER ======================= */
footer{margin-top:40px;background:#f8fafc;border-top:1px solid var(--border);box-shadow:0px 0px 2px 2px rgba(0,0,0,255);}
.footergrid{display:grid; gap:18px; padding:28px 0; align-items:start;}
@media(min-width:900px){.footergrid{ grid-template-columns:2fr 1fr 1fr; text-align:left; }}
@media(max-width:899px){
  .footergrid{grid-template-columns:1fr; text-align:center;}
  .footergrid .brand{ justify-content:center; }
  .footergrid .btn{ margin-left:auto; margin-right:auto; }
  .footergrid p{ margin-left:auto; margin-right:auto; }
}
.footer__legal{padding:12px 0; border-top:1px solid var(--border); text-align:center;}
@media(max-width:899px){.footer__legal{ padding-bottom: calc(12px + 72px + env(safe-area-inset-bottom)); }}
small, footer a{color:#475569}
.notice{font-size:12px;color:#64748b}
.center{text-align:center}

/* ===== Bouton flottant ===== */
.sticky-cta{position:fixed; right:16px; bottom:calc(16px + env(safe-area-inset-bottom)); z-index:60;}

/* ===== Filtres réalisations ===== */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:999px;border:1px solid var(--border);
  background:#ffffff;color:var(--text);font-weight:800;font-size:14px;cursor:pointer;
  position:relative; transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.chip:hover{transform:translateY(-1px);background:#f8fafc}
.chip:focus-visible{outline:0; box-shadow:0 0 0 2px rgba(24,107,255,.25)}
.chip[aria-pressed="true"], .chip.is-active{
  color:#fff; border-color:transparent;
  background:linear-gradient(135deg,var(--blue),#186BFF);
  box-shadow:0 8px 24px rgba(24,107,255,.28);
}
.chip[aria-pressed="true"]::after, .chip.is-active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:-6px; height:3px; border-radius:999px; background:#186BFF;
}
@media(max-width:899px){ .chip{font-size:13px;padding:7px 10px} }
.gal-item.is-hidden{display:none !important;}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:14px}
.page-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;border-radius:10px;
  border:1px solid var(--border);background:#ffffff;color:var(--text);font-weight:800;
  cursor:pointer; transition:transform .12s ease, background .12s ease, box-shadow .12s ease;
}
.page-btn:hover{transform:translateY(-1px);background:#f8fafc}
.page-btn[aria-current="page"]{
  background:linear-gradient(135deg,var(--blue),#186BFF);color:#fff;border-color:transparent;
  box-shadow:0 8px 24px rgba(24,107,255,.28);
}
.page-btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ===================================================== */
/* ===== Header élargi UNIQUEMENT + menu resserré ====== */
/* ===================================================== */
:root{ --container-w: 1120px; }
.container{ max-width: var(--container-w); }

:root{ --header-w: 1360px; }
@media (min-width:1400px){ :root{ --header-w: 1500px; } }
@media (min-width:1800px){ :root{ --header-w: 1680px; } }
.topbar .container, .site-header .container{ max-width: var(--header-w); }
.topbar__call{ width:100%; max-width: calc(var(--header-w) - 64px); }
@media (min-width:1800px){ .topbar__call{ max-width: calc(var(--header-w) - 96px); } }

@media (min-width:1200px){
  .nav{ justify-content:flex-start; column-gap:32px; }
  .brand{ margin-right:32px; }
  .nav__wrap{ margin-left:auto; }
  .nav__list{ gap:14px; }
  .nav__link{ padding:10px 12px; }
  .nav__cta{ margin-left:18px; }
}

/* ===== Sous-menu Outils & simulateurs ===== */
.nav__link.dropdown { position: relative; }
.dropdown-menu {
  display:none; position:absolute; top:100%; left:0;
  background-color:#ffffff; box-shadow:0 8px 24px rgba(0,0,0,.08);
  border-radius:8px; z-index:10; width:max-content; min-width:180px; border:1px solid var(--border);
}
.dropdown:hover .dropdown-menu { display:block; }
.dropdown-menu li { padding:8px 12px; }
.dropdown-menu a { color:#0b1220; font-weight:700; display:block; }
.dropdown-menu a:hover { background-color:#f1f5f9; color:#0b1220; }

/* ===== +++ ===== */