/* The Impact of AI — static archive additions (ax-* namespace only, never Tailwind) */
:root{
  --ax-navy:#153b70; --ax-blue:#245aa5; --ax-ink:#102b40; --ax-cream:#fbf6ed;
  --ax-teal:#21655c; --ax-line:#e2e8f0; --ax-muted:#64748b;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#0f172a;-webkit-font-smoothing:antialiased}
.ax-wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}
.ax-narrow{max-width:48rem;margin:0 auto;padding:0 1.25rem}

/* header */
.ax-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--ax-line)}
.ax-hbar{display:flex;align-items:center;gap:.75rem;min-height:4rem;max-width:72rem;margin:0 auto;padding:0 1.25rem}
.ax-brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:inherit;min-width:0}
.ax-logo{display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:.75rem;background:var(--ax-navy);color:#fff;font-weight:800;font-size:.8rem;letter-spacing:.02em;flex:none}
.ax-name{font-family:Georgia,'Times New Roman',serif;font-weight:700;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ax-nav{margin-left:auto;display:flex;align-items:center;gap:.15rem;flex-wrap:wrap}
.ax-nav a,.ax-nav summary{display:inline-flex;align-items:center;min-height:2.6rem;padding:0 .7rem;border-radius:999px;font-size:.875rem;color:#0f172a;text-decoration:none;cursor:pointer;list-style:none;white-space:nowrap}
.ax-nav a:hover,.ax-nav summary:hover{background:#f1f5f9}
.ax-nav summary::-webkit-details-marker{display:none}
.ax-nav a[aria-current="page"]{color:var(--ax-blue);font-weight:700}
.ax-menu{position:relative}
.ax-menu>div{position:absolute;right:0;top:100%;margin-top:.4rem;background:#fff;border:1px solid var(--ax-line);border-radius:.9rem;box-shadow:0 18px 40px rgba(15,23,42,.13);padding:.4rem;min-width:14rem;display:grid;z-index:60}
.ax-menu>div a{padding:.55rem .7rem;border-radius:.5rem;font-size:.875rem}
.ax-menu>div a:hover{background:#f1f5f9}

/* shared bits */
.ax-eyebrow{font-size:.65rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--ax-blue);margin:0}
.ax-hero{padding:2.5rem 0 1rem}
.ax-hero h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.1;letter-spacing:-.025em;margin:.4rem 0 0}
.ax-lede{color:var(--ax-muted);font-size:1.05rem;line-height:1.7;max-width:44rem;margin:.9rem 0 0}
.ax-card{display:block;border:1px solid var(--ax-line);border-radius:1rem;padding:1.1rem 1.2rem;background:#fff;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
.ax-card:hover{border-color:#bfd3ea;box-shadow:0 12px 30px rgba(21,59,112,.09);transform:translateY(-1px)}
.ax-card h3{font-family:Georgia,'Times New Roman',serif;font-size:1.1rem;line-height:1.32;margin:.45rem 0 0;letter-spacing:-.01em}
.ax-card p{margin:.5rem 0 0;color:#475569;font-size:.9rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ax-grid{display:grid;gap:1rem}
.ax-g2{grid-template-columns:repeat(auto-fill,minmax(20rem,1fr))}
.ax-g3{grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}
.ax-g2h{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:760px){.ax-g2h{grid-template-columns:1fr}}
.ax-chip{display:inline-flex;align-items:center;gap:.35rem;font-size:.72rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:#1d4ed8;background:#eff5ff;border:1px solid #cfe0fb;border-radius:999px;padding:.18rem .6rem}
.ax-meta{font-size:.78rem;color:var(--ax-muted);margin:.55rem 0 0}
.ax-sec{margin:2.6rem 0 0}
.ax-sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--ax-line);padding-bottom:.6rem;margin-bottom:1.1rem}
.ax-sec-head h2{font-family:Georgia,'Times New Roman',serif;font-size:1.35rem;margin:0;letter-spacing:-.02em}
.ax-sec-head a{font-size:.82rem;font-weight:700;color:var(--ax-blue);text-decoration:none}
.ax-sectors{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr))}
.ax-sector{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.7rem .85rem;border:1px solid var(--ax-line);border-radius:.75rem;text-decoration:none;color:inherit;font-size:.9rem;font-weight:600;background:#fff}
.ax-sector:hover{border-color:#bfd3ea;background:#f8fbff}
.ax-sector span{color:var(--ax-muted);font-weight:500;font-size:.8rem}

/* archive filter */
.ax-tools{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin:1.5rem 0 .4rem}
.ax-tools input,.ax-tools select{min-height:2.75rem;border:1px solid var(--ax-line);border-radius:.7rem;padding:0 .8rem;font-size:.9rem;background:#fff;color:inherit}
.ax-tools input{flex:1 1 16rem}
.ax-count{font-size:.82rem;color:var(--ax-muted);margin:.2rem 0 0}
.ax-rows{display:grid;gap:.5rem;margin:1rem 0 0;padding:0;list-style:none}
.ax-row{display:grid;grid-template-columns:1fr auto;gap:.4rem 1rem;align-items:baseline;padding:.7rem .85rem;border:1px solid var(--ax-line);border-radius:.7rem;background:#fff}
.ax-row a{text-decoration:none;color:inherit;font-weight:600;font-size:.94rem;line-height:1.4}
.ax-row a:hover{color:var(--ax-blue)}
.ax-row time{font-size:.76rem;color:var(--ax-muted);white-space:nowrap}
.ax-row .ax-chip{justify-self:start;grid-column:1/-1;font-size:.62rem}
.ax-empty{padding:2rem;border:1px dashed var(--ax-line);border-radius:.9rem;color:var(--ax-muted);text-align:center}
.ax-note{margin:0 0 1rem;padding:.6rem .85rem;border:1px solid #fde68a;background:#fffbeb;color:#78350f;border-radius:.6rem;font-size:.82rem;line-height:1.5}

/* footer */
.ax-footer{margin-top:4rem;border-top:1px solid var(--ax-line);background:#f8fafc;padding:2.2rem 0 2.6rem}
.ax-fcols{display:grid;gap:1.6rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
.ax-fcols h4{margin:0 0 .6rem;font-size:.68rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:#334155}
.ax-fcols ul{margin:0;padding:0;list-style:none;display:grid;gap:.3rem}
.ax-fcols a{color:#475569;text-decoration:none;font-size:.85rem}
.ax-fcols a:hover{color:var(--ax-blue);text-decoration:underline}
.ax-legal{margin:1.8rem 0 0;padding-top:1.1rem;border-top:1px solid var(--ax-line);font-size:.78rem;color:var(--ax-muted);line-height:1.7}

@media (max-width:720px){
  .ax-hbar{flex-wrap:wrap;row-gap:0;padding-top:.55rem;padding-bottom:.55rem}
  .ax-brand{flex:0 0 auto}
  .ax-name{font-size:.98rem;overflow:visible;text-overflow:clip}
  .ax-nav{margin-left:0;width:100%;gap:0}
  .ax-nav a,.ax-nav summary{padding:0 .55rem;font-size:.85rem}
  .ax-nav .ax-hide-sm{display:none}
}