/* NAVLYS respiration glacier : crème en base, lumière bleu glace et or qui respire (7 / 9,5 / 12 s) */
:root{--nv-fond:#fbf9f3;--nv-encre:#0f2747;--nv-or:#c9a86a;--nv-glace:125,211,252;--nv-lien:#1e6fb8}
html::before,body::before,body::after{content:"";position:fixed;inset:-12%;z-index:-1;pointer-events:none}
html::before{background:radial-gradient(42% 36% at 88% 8%,rgba(var(--nv-glace),.34),transparent 70%);animation:nv-respire-a 9.5s ease-in-out infinite}
body::before{background:radial-gradient(36% 32% at 8% 92%,rgba(201,168,106,.22),transparent 70%);animation:nv-respire-b 7s ease-in-out infinite}
body::after{background:radial-gradient(46% 40% at 50% 52%,rgba(var(--nv-glace),.16),transparent 75%);animation:nv-respire-c 12s ease-in-out infinite}
@keyframes nv-respire-a{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}
@keyframes nv-respire-b{0%,100%{opacity:.45;transform:scale(1.06)}50%{opacity:.95;transform:scale(1)}}
@keyframes nv-respire-c{0%,100%{opacity:.4;transform:scale(1)}50%{opacity:.9;transform:scale(1.12)}}
@media (prefers-reduced-motion:reduce){html::before,body::before,body::after{animation:none;opacity:.6}}