.n-expertise-nav{position:relative;z-index:30;gap:40px;padding:19px 4%;background:#000}.n-expertise-triggers{display:flex;align-items:center;justify-content:center;gap:38px}.n-expertise-trigger{font:inherit;font-size:18px;font-weight:700;letter-spacing:.07em;padding:12px 4px;color:#d8e2f7;background:none;border:0;border-bottom:2px solid transparent;cursor:pointer}.n-expertise-trigger span{font-size:15px;color:#829bc4;margin-left:9px}.n-expertise-trigger:hover,.n-expertise-trigger.n-category-active{color:#fff;border-color:#aac0ff}.n-expertise-nav a.n-menu-secondary{padding:10px 0;border:0;background:none;color:#909dae;border-radius:0;font-size:13px}.n-mega{position:absolute;left:50%;top:calc(100% + 1px);transform:translateX(-50%);width:92vw;max-width:1350px;background:#0d131e;border:1px solid #354157;border-radius:0 0 14px 14px;box-shadow:0 30px 70px #000a;display:grid;grid-template-columns:30% 70%;overflow:hidden;text-align:left}.n-mega[hidden]{display:none}.n-mega-tabs{background:#111a29;border-right:1px solid #2c384c;padding:22px;display:flex;flex-direction:column;gap:12px}.n-mega-tab{font:inherit;text-align:left;background:transparent;color:#eef3fe;border:1px solid transparent;border-radius:9px;padding:23px 20px;cursor:pointer;position:relative}.n-mega-tab strong{font-size:23px;letter-spacing:-.03em;display:block;margin-bottom:9px}.n-mega-tab small{font-size:14px;line-height:1.5;color:#92a3bc;display:block;max-width:220px}.n-mega-tab>span{position:absolute;right:18px;top:25px;color:#94b3e8;font-size:23px}.n-mega-tab[aria-selected=true]{background:#1e2d45;border-color:#768fbb}.n-mega-content{padding:30px 34px 24px;position:relative;min-height:410px;display:flex;flex-direction:column}.n-mega-intro h2{font-size:25px;letter-spacing:-.035em;margin:0 0 8px;color:#eff4ff}.n-mega-intro p{font-size:14px;line-height:1.6;color:#91a0b7;margin:0 0 20px}.n-mega-links{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;margin:0 0 20px}.n-mega .n-mega-link{display:flex;align-items:start;gap:14px;padding:18px 12px;border:1px solid transparent;border-radius:9px;background:transparent;width:auto;white-space:normal}.n-mega .n-mega-link:hover{background:#162136;border-color:#334963}.n-mega-link svg{width:42px;height:42px;flex-shrink:0;margin-top:1px}.n-mega-link strong{display:block;font-size:20px;letter-spacing:-.025em;line-height:1.2;color:#f0f4fc;margin:0 0 8px}.n-mega-link small{display:block;font-size:14px;line-height:1.5;color:#9eabc0}.n-mega-arrow{color:#99b3e2;font-size:17px;margin-left:auto}.n-mega .n-mega-more{align-self:flex-end;display:inline-block;width:auto;white-space:normal;background:none;border:0;padding:13px 0 0;color:#c8d8f7;font-size:14px;margin-top:auto}.n-mega-close{position:absolute;top:10px;right:10px;border:0;background:transparent;color:#a4b2c7;font-size:25px;cursor:pointer;padding:0 8px}.n-expertise-trigger:focus-visible,.n-mega-tab:focus-visible{outline:3px solid #aac0ff;outline-offset:4px}@media(max-width:1100px){.n-expertise-nav{gap:25px}.n-expertise-triggers{gap:25px}.n-expertise-trigger{font-size:15px;letter-spacing:.04em}.n-mega{grid-template-columns:32% 68%}.n-mega-tabs{padding:16px}.n-mega-tab{padding:20px 14px}.n-mega-tab strong{font-size:20px}.n-mega-content{padding:30px 20px}.n-mega-link svg{width:32px;height:32px}.n-mega-link strong{font-size:18px}.n-mega-links{gap:10px}}
@media(max-width:760px){.n-expertise-nav{display:none;padding:14px 5%}.n-expertise-nav.open{display:block}.n-expertise-triggers{justify-content:space-between;gap:8px}.n-expertise-trigger{font-size:12px;padding:13px 0;letter-spacing:.02em}.n-expertise-trigger span{margin-left:4px;font-size:12px}.n-expertise-nav a.n-menu-secondary{display:inline-block;width:auto;font-size:13px;margin:8px 20px 8px 0}.n-mega{position:relative;left:0;top:0;transform:none;width:100%;grid-template-columns:1fr;margin-top:12px;border-radius:10px}.n-mega-tabs{flex-direction:row;gap:5px;padding:10px;border-right:0;border-bottom:1px solid #2c384c}.n-mega-tab{padding:11px 8px;flex:1;min-width:0}.n-mega-tab strong{font-size:12px;margin:0}.n-mega-tab small,.n-mega-tab>span{display:none}.n-mega-content{padding:30px 15px 18px;min-height:0}.n-mega-links{grid-template-columns:1fr;gap:5px}.n-mega-intro h2{font-size:22px}.n-mega-link strong{font-size:18px}.n-mega-link svg{width:36px;height:36px}.n-mega .n-mega-link{padding:13px 6px}.n-mega .n-mega-more{align-self:flex-start;font-size:13px}.n-mega-close{top:2px;right:2px;font-size:23px}.n-mega-intro p{font-size:13px}}

/* Menu noir et quatre rubriques de même niveau. */
.n-mega{background:#050505;border-color:#303030}.n-mega-tabs{background:#080808;border-color:#303030}.n-mega-tab[aria-selected=true]{background:#1a1a1a;border-color:#666}.n-mega .n-mega-link:hover{background:#171717;border-color:#444}.n-expertise-triggers{gap:32px}.n-home-intro{font-size:clamp(30px,3vw,48px);line-height:1.2} @media(max-width:760px){.n-expertise-triggers{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}.n-expertise-trigger{text-align:left;font-size:14px}.n-mega-tabs{display:grid;grid-template-columns:1fr 1fr}.n-mega-tab strong{font-size:13px}.n-home-intro{font-size:32px}}
.n-hero .n-home-intro{font-size:clamp(30px,2.8vw,42px);line-height:1.25;letter-spacing:-.025em}@media(max-width:760px){.n-hero .n-home-intro{font-size:30px}}

/* Bandeau transparent : continuité de l’ondulation derrière les rubriques. */
.n-expertise-nav{background:transparent}

/* Rubriques principales : taille accrue et contraste net. */
.n-expertise-nav{padding-top:22px;padding-bottom:22px}.n-expertise-trigger,.n-home .n-expertise-trigger{font-size:clamp(21px,1.05vw,34px);color:#e4ebf8;padding:15px 5px}.n-expertise-triggers{gap:clamp(24px,2vw,60px)}.n-expertise-trigger span{font-size:20px}@media(max-width:1100px){.n-expertise-trigger,.n-home .n-expertise-trigger{font-size:18px}.n-expertise-triggers{gap:20px}}@media(max-width:760px){.n-expertise-trigger,.n-home .n-expertise-trigger{font-size:16px;padding:13px 0}.n-expertise-triggers{gap:8px 14px}.n-expertise-trigger span{font-size:16px;margin-left:3px}}

/* Menu déroulant à l’échelle des pages, avec liens confortables. */
.n-mega{width:92vw;max-width:2600px;grid-template-columns:28% 72%}.n-mega-tabs{padding:30px;gap:16px}.n-mega-tab{padding:27px 24px}.n-mega-tab strong{font-size:clamp(25px,1.25vw,36px)}.n-mega-tab small{font-size:clamp(17px,.8vw,23px);max-width:none}.n-mega-tab>span{font-size:30px;top:30px}.n-mega-content{padding:40px 50px;min-height:540px}.n-mega-intro h2{font-size:clamp(29px,1.5vw,42px)}.n-mega-intro p{font-size:clamp(18px,.85vw,25px);margin-bottom:30px}.n-mega-links{gap:25px 35px}.n-mega .n-mega-link{padding:24px 16px;gap:20px}.n-mega-link strong{font-size:clamp(24px,1.15vw,34px)}.n-mega-link small{font-size:clamp(18px,.85vw,25px)}.n-mega-link svg{width:58px;height:58px}.n-mega .n-mega-more{font-size:21px}.n-mega-close{font-size:32px}@media(max-width:1100px){.n-mega-tabs{padding:20px}.n-mega-tab{padding:23px 15px}.n-mega-content{padding:35px 25px}.n-mega-link svg{width:40px;height:40px}.n-mega-link strong{font-size:23px}}@media(max-width:760px){.n-mega{width:100%;grid-template-columns:1fr}.n-mega-tabs{padding:10px;gap:5px}.n-mega-tab{padding:13px 8px}.n-mega-tab strong{font-size:15px}.n-mega-content{padding:30px 18px;min-height:0}.n-mega-intro h2{font-size:25px}.n-mega-intro p{font-size:17px}.n-mega-links{gap:12px}.n-mega .n-mega-link{padding:15px 5px;gap:12px}.n-mega-link strong{font-size:21px}.n-mega-link small{font-size:17px}.n-mega .n-mega-more{font-size:17px}}