/* Barre de navigation */
nav{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:14px 5vw;background:linear-gradient(#07080acc,#07080a00);backdrop-filter:blur(6px)}
.brand{display:flex;align-items:center;gap:12px;font:700 20px var(--h);letter-spacing:.04em;color:#fff}
.brand img{width:38px;height:38px;border-radius:8px}
.nl{display:flex;gap:28px;align-items:center;font:500 15px var(--h)}
.nl a:hover{color:#fff}
.nl .btn{padding:9px 18px;font-size:14px}