.duo{position:relative;overflow:hidden;margin:0;isolation:isolate;}
.duo img{width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(1) contrast(1.32) brightness(.92);}
.duo::before{content:'';position:absolute;inset:0;background:#0E3A79;mix-blend-mode:multiply;}
.duo::after{content:'';position:absolute;inset:0;background:#DDBA2A;mix-blend-mode:screen;opacity:.18;}
/* Grain : masque la montée en taille d'une photo de 320 px de large. */
.duo .grain,.grain{position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:radial-gradient(rgba(255,255,255,.6) .5px,transparent .5px);
  background-size:3px 3px;mix-blend-mode:overlay;}
:root{--page:#FBFBF9;--alt:#F1F3F7;--fg:#14202E;--fg2:#5A6675;--fg3:#8A94A1;
  --line:#E4E7EB;--line2:#C4CBD4;--acc:#014E75;--acc2:#B89416;--band:#0E3A79;--band-fg:#fff;--sp:0;}
.nav{background:rgba(251,251,249,.92);backdrop-filter:blur(14px);}
.nu__in{max-width:1180px;margin:0 auto;padding:0 28px;}
.nu__hero{position:relative;overflow:hidden;padding:104px 0 108px;}
.nu__ring{position:absolute;top:50%;right:-14%;width:min(700px,86vw);transform:translateY(-50%);
  pointer-events:none;opacity:.85;}
.nu__ring svg{width:100%;height:auto;}
.nu__ring circle[stroke^="rgba"]{stroke:rgba(14,58,121,.14) !important;}
.nu__arc{stroke:#DDBA2A !important;transform-origin:center;animation:nuspin 26s linear infinite;}
.nu__arc2{stroke:#014E75 !important;transform-origin:center;animation:nuspin2 19s linear infinite;}
@keyframes nuspin{to{transform:rotate(360deg);}}
@keyframes nuspin2{to{transform:rotate(-360deg);}}
@media(prefers-reduced-motion:reduce){.nu__arc,.nu__arc2{animation:none;}}
.nu__hero .nu__in{position:relative;z-index:1;}
.nu__lead{display:none;}
.nu__hero h1{font-weight:800;font-size:clamp(2.4rem,7vw,5rem);line-height:1.04;
  letter-spacing:-.038em;max-width:14ch;color:var(--navy-800);}
.nu__phrase{margin-top:26px;font-size:1.12rem;line-height:1.56;max-width:52ch;color:var(--fg2);}
.nu__acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.btn--gold{background:var(--gold-500);color:var(--navy-900);}
.btn--wire{border:1.5px solid var(--line2);color:var(--fg);}
.btn--wire:hover{border-color:var(--navy-700);}
.nu__s{padding:96px 0;border-top:1px solid var(--line);}
.nu__s h2{font-weight:800;font-size:clamp(1.9rem,4.4vw,2.9rem);line-height:1.06;letter-spacing:-.032em;
  color:var(--navy-800);}
.nu__sub{margin-top:18px;color:var(--fg2);max-width:70ch;}
.nu__ints{margin-top:46px;border-top:1px solid var(--line);}
.nu__i{display:grid;grid-template-columns:70px minmax(0,1fr) 44px;gap:24px;align-items:center;
  padding:30px 0;border-bottom:1px solid var(--line);text-decoration:none;
  transition:background .28s var(--ease),transform .28s var(--ease);}
.nu__i:hover{background:var(--alt);transform:translateX(14px);}
.nu__n{font-variant-numeric:tabular-nums;font-size:.9rem;color:var(--acc2);}
.nu__i b{display:block;font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.25rem,2.8vw,1.8rem);letter-spacing:-.026em;color:var(--navy-800);}
.nu__i em{display:block;margin-top:7px;font-style:normal;color:var(--fg2);font-size:1rem;}
.nu__go{font-size:1.3rem;color:var(--acc2);text-align:right;}
.nu__photo-in{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:56px;align-items:center;}
.nu__photo-in .duo{border-radius:20px;aspect-ratio:320/212;max-width:520px;}
.nu__forms{margin-top:32px;border-top:1px solid var(--line);}
.nu__f{display:grid;grid-template-columns:minmax(0,1fr) 130px 170px;gap:18px;align-items:baseline;
  padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;
  transition:transform .26s var(--ease);}
.nu__f:hover{transform:translateX(10px);}
.nu__f b{font-family:var(--font-display);font-weight:600;font-size:1.05rem;letter-spacing:-.018em;}
.nu__f span{font-size:.88rem;color:var(--fg3);font-variant-numeric:tabular-nums;}
.nu__f em{font-style:normal;font-weight:600;font-size:.92rem;color:var(--gold-700);text-align:right;
  font-variant-numeric:tabular-nums;}
.nu__split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:52px;align-items:center;}
.nu__split svg{width:100%;height:auto;}
.nu__dep{margin-top:16px;font-family:var(--font-display);font-weight:700;color:var(--navy-700);}
@media(max-width:900px){.nu__photo-in,.nu__split{grid-template-columns:minmax(0,1fr);gap:34px;}
  .nu__ring{opacity:.35;right:-40%;}
  .nu__i{grid-template-columns:52px minmax(0,1fr);} .nu__go{display:none;}
  .nu__f{grid-template-columns:minmax(0,1fr);gap:5px;} .nu__f em{text-align:left;}}