:root{
  --bg:#fbfbfa;
  --surface:#ffffff;
  --ink:#111312;
  --ink-2:#4a4f4c;
  --mute:#7b817d;
  --line:#e7e8e5;
  --line-2:#d6d8d4;
  --acc:#1f5eff;
  --acc-soft:rgba(31,94,255,.08);
  --ok:#14915a;
  --sans:"Montserrat",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --gut:clamp(16px,4vw,48px);
  --max:1120px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c0d0d;--surface:#131515;--ink:#eceeed;--ink-2:#a9aeab;--mute:#737975;
    --line:#212423;--line-2:#2e3231;--acc:#6b93ff;--acc-soft:rgba(107,147,255,.1);--ok:#3ccf8e;color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0c0d0d;--surface:#131515;--ink:#eceeed;--ink-2:#a9aeab;--mute:#737975;
  --line:#212423;--line-2:#2e3231;--acc:#6b93ff;--acc-soft:rgba(107,147,255,.1);--ok:#3ccf8e;color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
::selection{background:var(--acc);color:#fff}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono)}

/* nav */
nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
nav.scrolled{border-bottom-color:var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;letter-spacing:-.01em}
.mark{width:30px;height:30px;border-radius:8px;background:var(--ink);color:var(--bg);display:grid;place-items:center;font:600 13px/1 var(--mono)}
.links{display:flex;align-items:center;gap:28px;font-size:14px;color:var(--ink-2)}
.links a:hover{color:var(--ink)}
.theme{width:34px;height:34px;border:1px solid var(--line-2);border-radius:8px;display:grid;place-items:center;color:var(--ink-2)}
.theme:hover{color:var(--ink);border-color:var(--ink-2)}
.theme svg{width:16px;height:16px}
@media (max-width:720px){.links a:not(.keep){display:none}.links{gap:12px}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border-radius:10px;border:1px solid var(--line-2);font-size:14px;font-weight:500;background:var(--surface);transition:border-color .15s,background .15s,transform .15s}
.btn:hover{border-color:var(--ink-2)}
.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn.primary:hover{opacity:.88}
.btn svg{width:16px;height:16px}

/* hero */
.hero{padding:clamp(56px,11vh,120px) 0 64px}
.status{display:inline-flex;align-items:center;gap:8px;font:500 12px/1 var(--mono);color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:7px 12px;background:var(--surface)}
.status i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 20%,transparent)}
h1{font-size:clamp(36px,5vw,64px);line-height:1.04;letter-spacing:-.035em;font-weight:600;margin:28px 0 24px}
h1 span{color:var(--mute)}
.hero-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:0;align-items:center}
.hero-text{position:relative;z-index:1}
.hero-text h1{margin-right:-12%}
.portrait{position:relative;aspect-ratio:1;max-width:380px;justify-self:end;width:100%}
.portrait::before{content:"";position:absolute;inset:8%;border-radius:50%;background:radial-gradient(circle,var(--acc-soft),transparent 70%);filter:blur(30px);z-index:-1}
.portrait img{display:block;width:100%;height:100%;object-fit:cover;filter:contrast(1.12) saturate(1.08) brightness(.97);
  -webkit-mask-image:radial-gradient(closest-side,#000 40%,rgba(0,0,0,.55) 70%,transparent 100%);
  mask-image:radial-gradient(closest-side,#000 40%,rgba(0,0,0,.55) 70%,transparent 100%)}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr}
  .hero-text h1{margin-right:0}
  .portrait{order:-1;justify-self:center;max-width:220px;margin:-16px 0 -28px}
}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--ink-2);max-width:60ch;line-height:1.55}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:72px;border-top:1px solid var(--line)}
.fact{padding:24px 20px 0 0}
.fact b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:-.03em;line-height:1}
.fact span{display:block;font-size:13px;color:var(--mute);margin-top:10px;line-height:1.45}
@media (max-width:720px){.facts{grid-template-columns:1fr 1fr;row-gap:8px}}

/* sections */
section{padding:clamp(64px,10vh,112px) 0;border-top:1px solid var(--line)}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.eyebrow{font:500 12px/1 var(--mono);color:var(--acc);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.03em;line-height:1.1;font-weight:600}
.sub{color:var(--ink-2);max-width:56ch;margin-top:12px}

/* filters */
.tabs{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--surface);flex-wrap:wrap}
.tabs button{height:32px;padding:0 12px;border-radius:7px;font-size:13px;color:var(--ink-2)}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}

/* projects */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(330px,100%),1fr));grid-auto-flow:dense;gap:16px}
.card{position:relative;display:flex;flex-direction:column;gap:14px;padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface);transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px);box-shadow:0 12px 32px -18px rgba(0,0,0,.25)}
.card.hide{display:none}
.card.feature{grid-column:span 2}
@media (max-width:760px){.card.feature{grid-column:auto}}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.logo{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font:600 15px/1 var(--mono);color:#fff;flex:none}
.tag{font:500 11px/1 var(--mono);color:var(--mute);border:1px solid var(--line);border-radius:999px;padding:6px 9px;white-space:nowrap}
.card h3{font-size:19px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.card h3 small{font:400 12px/1 var(--mono);color:var(--mute);letter-spacing:0}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.6}
.card ul{list-style:none;display:grid;gap:6px;font-size:13.5px;color:var(--ink-2)}
.card ul li{padding-left:16px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:1px;background:var(--mute)}
.stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:4px}
.stack span{font:400 11.5px/1 var(--mono);color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:6px 8px}
.visit{display:inline-flex;align-items:center;gap:6px;font:500 13px/1 var(--mono);color:var(--acc)}
.visit:hover{text-decoration:underline;text-underline-offset:3px}
.visit svg{width:13px;height:13px}
.card.feature .split{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
@media (max-width:760px){.card.feature .split{grid-template-columns:1fr}}
.metric{display:flex;gap:24px;flex-wrap:wrap;border-top:1px dashed var(--line-2);padding-top:14px}
.metric div b{display:block;font-size:20px;font-weight:600;letter-spacing:-.02em}
.metric div span{font-size:12px;color:var(--mute)}

/* open source */
.repos{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:12px}
.repo{display:flex;flex-direction:column;gap:10px;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);transition:border-color .2s}
.repo:hover{border-color:var(--acc)}
.repo-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.repo-top b{font:500 14px/1.3 var(--mono);word-break:break-word}
.repo:hover .repo-top b{color:var(--acc)}
.star,.also{font:400 12px/1 var(--mono);color:var(--mute);white-space:nowrap}
.repo p{font-size:13.5px;color:var(--ink-2);line-height:1.55}
.lang{margin-top:auto;font:400 12px/1 var(--mono);color:var(--mute);display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.lang i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:2px}

/* experience */
.timeline{display:grid;gap:0}
.job{display:grid;grid-template-columns:200px 1fr;gap:32px;padding:28px 0;border-top:1px solid var(--line)}
.job:first-child{border-top:0;padding-top:0}
.when{font:400 13px/1.6 var(--mono);color:var(--mute)}
.when b{display:block;color:var(--ink);font-weight:500}
.job h3{font-size:18px;font-weight:600;letter-spacing:-.015em}
.job .org{color:var(--ink-2);font-size:14.5px;margin-top:2px}
.job ul{margin-top:12px;padding-left:18px;color:var(--ink-2);font-size:14.5px;display:grid;gap:6px}
.earlier{margin-top:8px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:12px}
.earlier div{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--surface);font-size:14px}
.earlier b{display:block;font-weight:600}
.earlier span{color:var(--mute);font:400 12px/1.6 var(--mono)}
.earlier p{color:var(--ink-2);margin-top:6px;font-size:13.5px}
@media (max-width:720px){.job{grid-template-columns:1fr;gap:8px}}

/* skills */
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:16px}
.skill{border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--surface)}
.skill h3{font-size:15px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.skill h3 i{font:500 11px/1 var(--mono);color:var(--acc);font-style:normal}
.skill .stack{padding-top:0}

/* contact */
.contact{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
.contact h2{font-size:clamp(32px,5vw,56px);max-width:14ch}
.channels{display:grid;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.channels a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;border-top:1px solid var(--line);font-size:15px;transition:background .15s}
.channels a:first-child{border-top:0}
.channels a:hover{background:var(--acc-soft)}
.channels small{display:block;font:400 11px/1 var(--mono);color:var(--mute);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.channels svg{width:16px;height:16px;color:var(--mute);flex:none}
@media (max-width:820px){.contact{grid-template-columns:1fr;gap:32px}}

footer{border-top:1px solid var(--line);padding:28px 0;font:400 12px/1.6 var(--mono);color:var(--mute)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

.rv{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;background:var(--ink);color:var(--bg);font:500 13px/1 var(--mono);padding:12px 16px;border-radius:10px;transition:all .2s;pointer-events:none;z-index:30}
.toast.show{opacity:1;transform:translate(-50%,0)}