/* HACHEY NOTAIRE : marine #1d274e, turquoise #00abb9, anthracite #1c1c23 */
:root{--teal:#00abb9;--navy:#1d274e;--dark:#1c1c23;--dark2:#15151b;--gris:#f4f5f7;--texte:#2d2f36}
*{box-sizing:border-box;font-variant-numeric:lining-nums}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:"Raleway",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--texte);
  line-height:1.7;font-size:1.02rem;background:#fff;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto}
a{color:var(--teal)}
h1,h2,h3{font-family:"Playfair Display",Georgia,serif;line-height:1.2;margin:0 0 .6em;color:var(--navy)}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px 14px;z-index:99}
.skip:focus{left:8px;top:8px}
/* barre du haut + en-tete */
.topbar{background:var(--teal);color:#fff;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.entete{background:var(--dark);position:sticky;top:0;z-index:50}
.entete-in{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.marque img{display:block;height:54px;width:auto}
.menu{display:flex;align-items:center;gap:6px}
.menu a{color:#fff;text-decoration:none;text-transform:uppercase;letter-spacing:.06em;font-size:.82rem;
  font-weight:600;padding:10px 14px;border-bottom:2px solid transparent}
.menu a:hover{border-color:var(--teal);color:var(--teal)}
.menu a.tel{background:var(--teal);border-radius:3px;margin-left:10px;border:0}
.menu a.tel:hover{background:#fff;color:var(--dark)}
.menu-bascule{position:absolute;opacity:0;pointer-events:none}
.burger{display:none;cursor:pointer;padding:12px}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0}
.menu-bascule:focus-visible + .burger{outline:2px solid var(--teal)}
/* bandeau */
.bandeau{background:linear-gradient(rgba(21,21,27,.35),rgba(29,39,78,.7)),url(/assets/img/fond-bandeau-1920.webp) center/cover no-repeat,var(--navy);
  color:#fff;text-align:center;padding:84px 0 150px}
.bandeau-logo{width:min(440px,78%);height:auto;margin:0 auto 10px;display:block}
.bandeau h1{color:#fff;font-size:2.2rem;margin:.2em 0 .3em}
.valeurs{color:#cfeff2;letter-spacing:.18em;text-transform:uppercase;font-size:.88rem;margin:0 0 30px;font-weight:600}
.bouton{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;text-transform:uppercase;
  letter-spacing:.08em;font-weight:700;font-size:.86rem;padding:15px 30px;border:2px solid var(--teal);border-radius:3px;
  cursor:pointer;font-family:inherit}
.bouton:hover{background:#fff;color:var(--dark);border-color:#fff}
.bouton-contour{background:rgba(21,21,27,.35);color:#fff}
/* atouts */
.atouts{margin-top:-84px;position:relative;z-index:2}
.atouts-grille{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.atout{background:#fff;padding:26px 22px;box-shadow:0 8px 28px rgba(21,21,27,.14);border-top:3px solid var(--teal)}
.atout .num{font-family:"Playfair Display",serif;font-size:1.7rem;font-weight:700;color:var(--teal)}
.atout h3{font-size:1.1rem;margin:.2em 0 .4em;text-transform:uppercase;letter-spacing:.03em}
.atout p{margin:0;font-size:.93rem;line-height:1.6}
/* sections */
section{padding:84px 0}
.surtitre{color:var(--teal);text-transform:uppercase;letter-spacing:.2em;font-size:.8rem;font-weight:700;margin:0 0 8px}
.texte h2{font-size:2.1rem;text-transform:uppercase;letter-spacing:.02em}
.qui{background:var(--gris)}
.qui-grille{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.portrait{margin:0}
.portrait img{display:block;width:100%;height:auto;border-radius:3px;box-shadow:0 14px 34px rgba(21,21,27,.22)}
.portrait figcaption{margin-top:12px;font-family:"Playfair Display",serif;color:var(--navy);font-weight:700;text-align:center}
.services-grille{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.acc{border:1px solid #dcdfe4;margin:0 0 10px;background:#fff}
.acc summary{cursor:pointer;list-style:none;padding:16px 52px 16px 20px;font-weight:700;text-transform:uppercase;
  letter-spacing:.05em;font-size:.92rem;color:var(--navy);position:relative}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--teal)}
.acc[open] summary{background:var(--teal);color:#fff}
.acc[open] summary::after{content:"\2212";color:#fff}
.acc ul{margin:0;padding:16px 22px 18px 40px;font-size:.95rem}
.acc li{padding:2px 0}
.contact{background:linear-gradient(rgba(21,21,27,.86),rgba(21,21,27,.92)),url(/assets/img/fond-bandeau-1920.webp) center/cover no-repeat,var(--dark);color:#e7e9ee}
.contact h2{color:#fff}
.contact-grille{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.coord{list-style:none;padding:0;margin:26px 0 0}
.coord li{margin:0 0 18px;line-height:1.55}
.coord strong{display:block;color:var(--teal);text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;margin-bottom:2px}
.coord a{color:#fff}
.formulaire{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);padding:28px}
.formulaire label{display:block;font-size:.85rem;margin:0 0 6px;color:#cfd3dc}
.formulaire input,.formulaire textarea{display:block;width:100%;margin:0 0 18px;padding:13px 14px;border:1px solid #3a3d4a;
  background:#fff;color:#1c1c23;font:inherit;border-radius:3px}
.formulaire input:focus,.formulaire textarea:focus{outline:2px solid var(--teal);outline-offset:1px}
/* pied */
.pied{background:var(--dark2);color:#c9ccd6;font-size:.94rem}
.pied-grille{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:44px;padding-top:56px;padding-bottom:40px}
.pied h3{color:#fff;font-size:1.05rem;text-transform:uppercase;letter-spacing:.1em}
.pied a{color:#c9ccd6}.pied a:hover{color:var(--teal)}
.pied img{height:54px;width:auto;margin-bottom:12px}
.pied p{margin:0 0 12px}
.pied-bas{border-top:1px solid #2a2c37;padding:16px 0;font-size:.84rem;color:#8e93a3}
/* pages internes */
.page-titre{background:var(--navy);padding:54px 0;text-align:center}
.page-titre h1{color:#fff;margin:0;font-size:2.2rem}
.prose{max-width:820px;padding-top:56px;padding-bottom:72px}
.prose h2{font-size:1.4rem;margin:1.8em 0 .5em}
.prose .maj{color:#6b7080;font-size:.9rem;margin-top:2em}
@media (max-width:980px){
  .atouts-grille{grid-template-columns:repeat(2,1fr)}
  .qui-grille,.services-grille,.contact-grille{grid-template-columns:1fr;gap:36px}
  .portrait{max-width:380px;margin:0 auto}
  .pied-grille{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .topbar .wrap{justify-content:center;text-align:center}
  .topbar span{display:none}
  .burger{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--dark);flex-direction:column;
    align-items:stretch;padding:8px 22px 20px;gap:0;border-top:1px solid #2a2c37}
  .menu-bascule:checked ~ .menu{display:flex}
  .menu a{padding:14px 4px;border-bottom:1px solid #2a2c37}
  .menu a.tel{margin:14px 0 0;text-align:center}
  .entete{position:relative}
  .bandeau{padding:56px 0 120px;background:linear-gradient(rgba(21,21,27,.35),rgba(29,39,78,.7)),url(/assets/img/fond-bandeau-960.webp) center/cover no-repeat,var(--navy)}
  .bandeau h1{font-size:1.65rem}
  section{padding:60px 0}
  .texte h2{font-size:1.7rem}
}
@media (max-width:560px){
  .atouts-grille{grid-template-columns:1fr}
  .pied-grille{grid-template-columns:1fr;gap:28px}
  .formulaire{padding:20px}
}