*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.65;color:#0a1929;background:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:#2563eb;text-decoration:none}
a:hover,a:focus-visible{text-decoration:underline}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid #2563eb;outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2rem,5vw,3rem)}
h2{font-size:clamp(1.4rem,3vw,1.85rem);margin-top:2rem}
h3{font-size:1.15rem;margin-top:1.5rem}
p{margin:0 0 1em}
.skip{position:absolute;left:-9999px;top:0;background:#0a1929;color:#fff;padding:.75rem 1rem;z-index:1000;border-radius:0 0 8px 0}
.skip:focus{left:0}
.wrap{max-width:880px;margin:0 auto;padding:0 1.25rem}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid #e2e8f0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px;max-width:1140px;margin:0 auto;padding:0 1.25rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.1rem;color:#0a1929}
.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px;display:block;filter:drop-shadow(0 4px 10px rgba(37,99,235,.25))}
.nav-cta{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff!important;padding:.6rem 1.1rem;border-radius:8px;font-size:.9rem;font-weight:700;letter-spacing:.01em;box-shadow:0 6px 16px -4px rgba(37,99,235,.5);transition:transform .15s,filter .2s;white-space:nowrap;display:inline-flex;align-items:center;gap:.4rem}
.nav-cta:hover,.nav-cta:focus-visible{text-decoration:none;color:#fff!important;transform:translateY(-1px);filter:brightness(1.08)}
.hero-author{padding:4rem 0 3rem;background:radial-gradient(900px 500px at 80% -10%,rgba(124,58,237,.12),transparent 60%),radial-gradient(700px 400px at -10% 20%,rgba(37,99,235,.10),transparent 60%),#fff}
.hero-author .wrap{display:grid;grid-template-columns:auto 1fr;gap:2.5rem;align-items:center}
@media (max-width:640px){.hero-author .wrap{grid-template-columns:1fr;text-align:center;gap:1.5rem}}
.avatar{width:180px;height:180px;border-radius:50%;border:5px solid #fff;box-shadow:0 24px 56px -16px rgba(15,23,42,.3);justify-self:center}
.role{display:inline-flex;align-items:center;gap:.5rem;background:#eff6ff;color:#1d4ed8;padding:.4rem .9rem;border-radius:999px;font-size:.8rem;font-weight:700;letter-spacing:.04em;margin-bottom:1rem}
.hero-author h1{margin-bottom:.6rem}
.tagline{font-size:1.1rem;color:#475569;margin-bottom:1.5rem;max-width:560px}
.meta-row{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;color:#64748b;font-size:.9rem}
@media (max-width:640px){.meta-row{justify-content:center}}
.meta-row span{display:inline-flex;align-items:center;gap:.4rem}
.meta-row svg{color:#2563eb}
main{padding:3rem 0 5rem}
.lead-bio{font-size:1.15rem;color:#0a1929;border-left:4px solid #2563eb;background:linear-gradient(90deg,#eff6ff,rgba(255,255,255,0));padding:1.25rem 1.5rem;border-radius:0 12px 12px 0;margin-bottom:2.5rem;box-shadow:0 4px 14px -8px rgba(37,99,235,.25)}
.expertise{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0}
@media (max-width:640px){.expertise{grid-template-columns:1fr}}
.skill{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1.25rem;transition:transform .25s,box-shadow .25s,border-color .25s}
.skill:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(15,23,42,.18);border-color:#cbd5e1}
.skill .icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#dbeafe,#ede9fe);color:#2563eb;display:grid;place-items:center;margin-bottom:.75rem}
.skill h3{margin:0 0 .25rem;font-size:.95rem}
.skill p{margin:0;color:#475569;font-size:.88rem}
.pullquote{position:relative;margin:2.5rem 0;padding:2rem 2rem 2rem 4.5rem;background:linear-gradient(135deg,#0a1929,#1e293b);color:#fff;border-radius:18px;font-size:1.1rem;line-height:1.55;font-style:italic;box-shadow:0 24px 60px -28px rgba(15,23,42,.45);overflow:hidden}
.pullquote::before{content:"\201C";position:absolute;left:1.25rem;top:.4rem;font-size:5rem;font-family:Georgia,serif;color:#7c3aed;line-height:1;font-style:normal;opacity:.6}
.pullquote cite{display:block;margin-top:1rem;font-style:normal;font-size:.85rem;color:#cbd5e1}
.pullquote cite b{color:#fff;font-weight:600}
@media (max-width:600px){.pullquote{padding:1.5rem 1.25rem 1.5rem 3.5rem;font-size:1rem}.pullquote::before{font-size:4rem;left:.75rem}}
.timeline{position:relative;padding-left:1.75rem;margin:1.5rem 0}
.timeline::before{content:"";position:absolute;left:6px;top:.5rem;bottom:.5rem;width:2px;background:linear-gradient(180deg,#2563eb,#7c3aed,transparent)}
.timeline-item{position:relative;padding-bottom:1.25rem}
.timeline-item::before{content:"";position:absolute;left:-1.75rem;top:.5rem;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid #2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.1)}
.timeline-item .year{font-size:.8rem;color:#1d4ed8;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:.2rem}
.timeline-item h3{margin:0 0 .25rem;font-size:1rem}
.timeline-item p{margin:0;color:#475569;font-size:.92rem}
.articles{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}
.article-link{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1.1rem 1.4rem;transition:transform .2s,border-color .2s,box-shadow .2s;color:#0a1929;font-weight:600}
.article-link:hover{text-decoration:none;transform:translateX(4px);border-color:#cbd5e1;box-shadow:0 12px 28px -18px rgba(15,23,42,.2)}
.article-link::after{content:"→";color:#2563eb;font-size:1.1rem;transition:transform .2s}
.article-link:hover::after{transform:translateX(3px)}
.back-link{display:inline-flex;align-items:center;gap:.4rem;color:#475569;font-weight:500;margin-top:2.5rem;font-size:.9rem}
.back-link:hover{color:#2563eb}
footer{background:#0a1929;color:#94a3b8;padding:2.5rem 0;text-align:center;font-size:.88rem;margin-top:3rem}
footer a{color:#cbd5e1}