:root{
  --aa13-ink:#0c1020;
  --aa13-muted: rgba(12,16,32,.70);
  --aa13-border: rgba(12,16,32,.12);
}
html,body{color:var(--aa13-ink);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

body{
  background:
    radial-gradient(1000px 520px at 10% 10%, rgba(236,72,153,.18), transparent 55%),
    radial-gradient(900px 520px at 90% 18%, rgba(59,130,246,.20), transparent 55%),
    radial-gradient(900px 520px at 50% 92%, rgba(34,197,94,.16), transparent 58%),
    #fbfbff;
}

.aa13-top{position:sticky;top:0;z-index:40;background:rgba(251,251,255,.78);backdrop-filter:saturate(170%) blur(10px);border-bottom:1px solid rgba(255,255,255,.75);}
.aa13-top-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:.85rem 0;}
#logo img{height:34px;width:auto;display:block;}

.aa13-pills{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center;}
.aa13-pill{display:inline-flex;align-items:center;padding:.45rem .7rem;border-radius:999px;text-decoration:none;color:inherit;background:rgba(255,255,255,.78);border:1px solid rgba(12,16,32,.10);}
.aa13-pill:hover{border-color:rgba(12,16,32,.20);}
.aa13-pill.is-active{background:rgba(255,255,255,.92);box-shadow:0 0 0 4px rgba(59,130,246,.14);}

.aa13-hero{padding:1rem 0;}
.aa13-hero-card{border:1px solid rgba(255,255,255,.75);border-radius:18px;background:rgba(255,255,255,.62);backdrop-filter:saturate(160%) blur(10px);}
.aa13-slide{padding:1.4rem;}
.aa13-kicker{text-transform:uppercase;letter-spacing:.12em;font-weight:900;font-size:.75rem;color:var(--aa13-muted);}
.aa13-title{font-size:1.8rem;font-weight:900;line-height:1.1;margin:.35rem 0 .45rem;}
.aa13-desc{color:var(--aa13-muted);max-width:80ch;}

.aa13-main{padding:0 0 2rem;}
.aa13-masonry{columns:2 320px;column-gap:1rem;}
.aa13-card{break-inside:avoid;border:1px solid rgba(255,255,255,.75);border-radius:18px;background:rgba(255,255,255,.70);backdrop-filter:saturate(160%) blur(8px);padding:1.1rem;margin:0 0 1rem;}
.aa13-list{margin:0;padding-left:1.1rem;}
.aa13-list a{text-decoration:none;color:inherit;}
.aa13-list a:hover{text-decoration:underline;}

@media (max-width: 900px){
  .aa13-masonry{columns:1;}
}

#footer{padding:1.25rem 0;border-top:1px solid rgba(255,255,255,.75);background:rgba(255,255,255,.55);backdrop-filter:saturate(160%) blur(10px);}
#footer .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;}
#footer .social{display:flex;gap:.5rem;}
#footer .social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:14px;border:1px solid rgba(12,16,32,.10);text-decoration:none;background:rgba(255,255,255,.65);}