styles.css

:root{--ink:#202124;--muted:#666b70;--line:#dedede;--soft:#f6f7f8;--accent:#174ea6;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);background:var(--white);font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.65}a{color:inherit}.skip-link{position:fixed;left:1rem;top:-5rem;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}.skip-link:focus{top:1rem}.topbar{height:74px;padding:0 max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:2rem;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.name{font-weight:700;text-decoration:none;white-space:nowrap}.tabs{align-self:stretch;display:flex;gap:1.5rem;overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tabs a{display:flex;align-items:center;font-size:.82rem;font-weight:500;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}.tabs a:hover,.tabs a.active{color:var(--accent);border-bottom-color:var(--accent)}.container{max-width:1120px;margin:auto;padding:0 24px}.intro{padding:110px 0 100px;max-width:880px}.kicker,.section-title>p{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 1rem}.intro h1{font:600 clamp(3.2rem,7vw,6.1rem)/.98 'Source Serif 4',Georgia,serif;letter-spacing:-.045em;margin:0}.summary{max-width:720px;color:var(--muted);font-size:1.3rem;line-height:1.55;margin:2rem 0}.links{display:flex;align-items:center;gap:1.5rem}.links a,.primary,.more{font-weight:600;font-size:.9rem;text-underline-offset:4px}.primary{display:inline-block;background:var(--accent);color:white;text-decoration:none;padding:.75rem 1.1rem;border-radius:4px}.primary:hover{background:#103b80}section:not(.intro){padding:90px 0;border-top:1px solid var(--line)}.section-title{display:grid;grid-template-columns:180px 1fr;gap:1.5rem;margin-bottom:3rem}.section-title h2{font:600 clamp(2rem,4vw,3.2rem)/1.1 'Source Serif 4',Georgia,serif;letter-spacing:-.025em;margin:0}.list{border-top:1px solid var(--line)}.list article{display:grid;grid-template-columns:180px 1fr;gap:1.5rem;padding:2rem 0;border-bottom:1px solid var(--line)}time,.cards span{font-size:.75rem;font-weight:600;color:var(--muted)}h3{margin:0 0 .3rem;font-size:1.08rem}.list p{margin:.55rem 0 0;max-width:720px;color:var(--muted)}.list .meta{margin:0;color:var(--ink);font-size:.9rem}aside{margin:2rem 0 0 180px;padding:1.2rem 1.4rem;background:var(--soft);border-left:3px solid var(--accent);max-width:760px;color:var(--muted)}.cards,.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.cards article,.skills-grid article{background:#fff;padding:2rem}.cards h3{font:600 1.35rem 'Source Serif 4',Georgia,serif;margin:.9rem 0}.cards p,.skills-grid p{margin:0;color:var(--muted);font-size:.92rem}.papers{list-style:none;padding:0;margin:0 0 2rem;border-top:1px solid var(--line)}.papers li{display:grid;grid-template-columns:90px 1fr;gap:1.5rem;padding:1.5rem 0;border-bottom:1px solid var(--line)}.papers h3{font-weight:600}.papers p{font-size:.85rem;color:var(--muted);margin:.25rem 0 0}.more{color:var(--accent)}.skills-grid h3{margin-bottom:.8rem}.education{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}.education p{margin:0;padding:1rem;background:var(--soft);font-size:.82rem;color:var(--muted)}.education strong{display:block;color:var(--ink);margin-bottom:.2rem}.contact>p{max-width:620px;color:var(--muted);font-size:1.1rem;margin-bottom:1.5rem}footer{max-width:1120px;margin:auto;padding:2rem 24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}
@media(max-width:820px){.topbar{height:auto;min-height:68px;align-items:flex-start;flex-direction:column;gap:.6rem;padding:14px 20px 0}.tabs{width:100%;gap:1.25rem;min-height:38px}.container{padding:0 20px}.intro{padding:75px 0}.intro h1{font-size:clamp(2.9rem,14vw,4.8rem)}.summary{font-size:1.1rem}.section-title{grid-template-columns:1fr;gap:.3rem}.list article{grid-template-columns:95px 1fr}.cards,.skills-grid,.education{grid-template-columns:1fr}aside{margin-left:0}.papers li{grid-template-columns:60px 1fr}section:not(.intro){padding:65px 0}footer{padding:2rem 20px;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.tools-grid{border-top:1px solid var(--line)}
.tools-grid article{display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center;padding:1.6rem 0;border-bottom:1px solid var(--line)}
.tools-grid h3{font:600 1.35rem 'Source Serif 4',Georgia,serif;margin:.25rem 0}
.tools-grid article p:not(.tool-type){margin:0;color:var(--muted);font-size:.9rem}
.tool-type{margin:0;color:var(--accent);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.tools-grid a{font-size:.82rem;font-weight:600;color:var(--accent);text-underline-offset:4px}
.pending{font-size:.75rem;color:var(--muted);background:var(--soft);padding:.45rem .65rem;border-radius:4px}
.tools-profile{display:inline-block;margin-top:2rem}

@media(max-width:820px){.links{flex-wrap:wrap}.tools-grid article{grid-template-columns:1fr;gap:.7rem}.pending{justify-self:start}}