@font-face{font-family:"Geist";src:url("/fonts/geist-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("/fonts/geistmono-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("/fonts/instrument-serif-italic.woff2") format("woff2");font-style:italic;font-weight:400;font-display:swap}

:root{
  --bg:#09090b; --card:rgba(255,255,255,.035); --card-hi:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.08); --line-hi:rgba(255,255,255,.16);
  --fg:#f4f4f5; --fg-2:#c4c4cc; --fg-3:#8b8b96;
  --cyan:#67e8f9; --lime:#bef264;
  --grad:linear-gradient(100deg,var(--cyan),var(--lime));
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:"Instrument Serif",Georgia,serif;
  --gutter:clamp(16px,4vw,40px);
  --r:20px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.pill:focus-visible,.lang a:focus-visible{outline-offset:2px;border-radius:999px}
::selection{background:var(--lime);color:#09090b}
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.04em}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ambient background */
.ambient{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.ambient::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%)}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.38}
.orb.a{width:520px;height:520px;background:#0e7490;top:-180px;left:-120px;animation:drift 22s ease-in-out infinite alternate}
.orb.b{width:460px;height:460px;background:#4d7c0f;top:-140px;right:-160px;opacity:.28;animation:drift 26s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate(80px,60px) scale(1.1)}}

/* nav */
header{position:sticky;top:0;z-index:30;border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
header.scrolled{background:rgba(9,9,11,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
header .wrap{display:flex;align-items:center;height:64px;gap:28px}
.logo{font-weight:600;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.logo i{width:28px;height:28px;border-radius:8px;background:var(--grad);display:grid;place-items:center;font-style:normal;color:#09090b;font-size:12px;font-weight:700}
nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--fg-3)}
nav a{padding:10px 0}
nav a:hover{color:var(--fg)}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;border-radius:999px;padding:9px 16px;border:1px solid var(--line-hi);background:var(--card);transition:border-color .2s,background .2s}
.pill:hover{border-color:rgba(255,255,255,.3);background:var(--card-hi)}
.pill.solid{background:var(--fg);color:#09090b;border-color:var(--fg)}
.pill.solid:hover{background:#fff}
.pill svg{width:15px;height:15px}
.lang{display:inline-flex;border:1px solid var(--line-hi);border-radius:999px;padding:3px;gap:2px;font-family:var(--mono);font-size:12px}
.lang a{padding:5px 9px;border-radius:999px;color:var(--fg-3)}
.lang a:hover{color:var(--fg)}
.lang a[aria-current]{background:var(--card-hi);color:var(--fg)}

/* hero */
.hero{padding:clamp(56px,9vw,104px) 0 clamp(48px,7vw,80px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border:1px solid var(--line-hi);border-radius:999px;background:var(--card);color:var(--fg-2);font-size:13px}
.eyebrow b{white-space:nowrap;flex-shrink:0;display:inline-flex;align-items:center;gap:6px;font-weight:500;color:#09090b;background:var(--grad);border-radius:999px;padding:2px 10px;font-size:12px}
h1{margin-top:28px;font-size:clamp(36px,7.4vw,88px);line-height:1.02;letter-spacing:-.045em;font-weight:600;max-width:15ch}
h1 .serif{font-size:1.08em;letter-spacing:-.02em}
h1{hyphens:manual;-webkit-hyphens:manual}
.lede{margin-top:26px;max-width:60ch;font-size:clamp(17px,1.6vw,19px);color:var(--fg-2);line-height:1.6}
.lede strong{color:var(--fg);font-weight:500}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}

.proof{margin-top:clamp(48px,7vw,72px);display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.proof>div{border:1px solid var(--line);background:var(--card);border-radius:var(--r);padding:18px 20px}
.proof .k{color:var(--fg-3)}
.proof .v{font-size:17px;font-weight:500;margin-top:6px;letter-spacing:-.01em;line-height:1.35}

/* load animation (content is visible without JS) */
.in{animation:rise .9s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d,0s)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}}

/* sections */
section{padding:clamp(64px,9vw,104px) 0;border-top:1px solid var(--line)}
.label{display:flex;align-items:center;gap:10px;color:var(--fg-3);margin-bottom:18px}
.label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
h2{font-size:clamp(30px,4.2vw,48px);line-height:1.08;letter-spacing:-.035em;font-weight:600;max-width:22ch}
.sub{margin-top:16px;color:var(--fg-2);max-width:62ch;font-size:17px}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.about p{color:var(--fg-2);margin-bottom:1em}
.about p strong{color:var(--fg);font-weight:500}
.about-head{position:sticky;top:96px}
.about blockquote{margin-top:28px;padding-left:18px;border-left:2px solid var(--cyan);color:var(--fg);font-family:var(--serif);font-style:italic;font-size:clamp(22px,2.4vw,28px);line-height:1.25}
.phase{display:flex;align-items:baseline;gap:14px;padding:48px 0 10px;border-bottom:1px solid var(--line)}
.phase b{font-family:var(--mono);font-size:12px;font-weight:400;color:var(--cyan)}
.phase h4{font-size:15px;font-weight:600;letter-spacing:-.01em}
.phase span{color:var(--fg-3);font-size:14px}
@media (min-width:721px){.phase h4{white-space:nowrap}.phase span{flex:1;min-width:0}}

/* bento */
.bento{margin-top:44px;display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.tile{display:flex;flex-direction:column;position:relative;grid-column:span 3;border:1px solid var(--line);background:var(--card);border-radius:var(--r);padding:26px;overflow:hidden;transition:border-color .3s,transform .3s}
.tile:hover{border-color:var(--line-hi)}
.tile.wide{grid-column:span 6}
.tile.ai{background:radial-gradient(120% 90% at 100% 0%,rgba(103,232,249,.12),transparent 55%),radial-gradient(90% 80% at 0% 100%,rgba(190,242,100,.08),transparent 60%),var(--card);border-color:rgba(103,232,249,.22)}
.tile .ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;border:1px solid var(--line-hi);background:rgba(255,255,255,.04);margin-bottom:20px}
.tile .ico svg{width:19px;height:19px;stroke:var(--cyan)}
.tile h3{font-size:20px;letter-spacing:-.02em;font-weight:600;line-height:1.25}
.tile p{margin-top:10px;color:var(--fg-2);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.tile .chips{margin-top:auto;padding-top:18px}
.chips span{font-family:var(--mono);font-size:11.5px;color:var(--fg-2);border:1px solid var(--line);border-radius:999px;padding:3px 10px;background:rgba(255,255,255,.02)}

/* experience */
.xp{margin-top:44px;border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:170px 1fr;gap:32px;padding:22px 0;border-bottom:1px solid var(--line)}
.row .when{color:var(--fg-3);padding-top:3px}
.row h3{font-size:19px;font-weight:600;letter-spacing:-.015em;line-height:1.3}
.row h3 span{color:var(--fg-3);font-weight:400}
.row .where{color:var(--fg-3);font-size:14px;margin-top:2px}
.row p{color:var(--fg-2);margin-top:10px;max-width:68ch;font-size:15.5px}
.row ul{list-style:none;margin-top:10px;max-width:68ch}
.row li strong{color:var(--fg);font-weight:500}
.row li{color:var(--fg-2);font-size:15.5px;padding-left:18px;position:relative;margin-top:4px}
.row li::before{content:"–";position:absolute;left:0;top:0;color:var(--cyan)}
.row.feature{position:relative;isolation:isolate}
.row.feature::before{content:"";position:absolute;inset:0 calc(var(--gutter) * -1);background:linear-gradient(90deg,rgba(103,232,249,.05),transparent 70%);z-index:-1;pointer-events:none}
.steps{margin-top:14px;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line-hi);padding-left:16px}
.steps div{font-size:15px;color:var(--fg)}
.steps div span{color:var(--fg-3);font-family:var(--mono);font-size:12px;margin-left:8px}
.row.study h3{color:var(--fg-2);font-weight:500}

/* credentials */
.cred{margin-top:44px;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:12px}
.box{border:1px solid var(--line);background:var(--card);border-radius:var(--r);padding:24px}
.box h3{font-family:var(--mono);font-size:12px;font-weight:400;color:var(--fg-3);letter-spacing:.04em;margin-bottom:12px}
.box ul{list-style:none}
.box li{padding:10px 0;border-top:1px solid var(--line);font-size:15px}
.box li:first-child{border-top:0}
.box li small{display:block;color:var(--fg-3);font-size:13px}
.meter{display:flex;gap:3px;margin-top:7px}
.meter i{flex:0 0 20px;height:4px;border-radius:2px;background:var(--line-hi)}
.meter i.on{background:var(--cyan)}

/* contact */
.contact{text-align:center;padding-bottom:clamp(80px,10vw,120px)}
.contact h2{margin:0 auto;max-width:18ch;font-size:clamp(36px,6vw,72px)}
.contact .sub{margin:18px auto 0}
.contact .cta{justify-content:center}
.mail{display:inline-block;margin-top:30px;font-size:clamp(22px,3.6vw,36px);letter-spacing:-.02em;font-weight:500;border-bottom:1px solid var(--line-hi);padding-bottom:4px;transition:border-color .2s}
.mail:hover{border-color:var(--cyan)}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--fg-3);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* touch screens: tap targets of at least 44px */
@media (pointer:coarse){
  nav a{padding:13px 0}
  .lang{height:44px}
  .lang a{display:grid;place-items:center;padding:0 10px}
  .logo{padding:8px 0}
  .pill{min-height:44px}
  .mail{padding:6px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.in,.orb{animation:none}}
@media (max-width:1080px){
  .bento{grid-template-columns:1fr 1fr}
  .tile{grid-column:span 1}
  .tile.wide{grid-column:1/-1}
}
@media (max-width:920px){
  .cred{grid-template-columns:1fr 1fr}
  .cred .box:first-child{grid-column:1/-1}
}
@media (max-width:720px){
  nav{display:none}
  .eyebrow{border-radius:14px;align-items:flex-start;padding:7px 12px 7px 7px;line-height:1.45}
  header .lang{margin-left:auto}
  header .wrap{gap:10px}
  .proof{grid-template-columns:1fr}
  .about{grid-template-columns:1fr}
  .about-head{position:static}
  .phase{flex-wrap:wrap;gap:4px 12px}
  .phase span{flex-basis:100%}
  .bento,.cred{grid-template-columns:1fr}
  .row,.row.feature{grid-template-columns:1fr;gap:6px}
}
/* very small phones (<=380px): keep the header on one line; the CV download stays in the hero */
.logo,.pill{white-space:nowrap}
@media (max-width:380px){
  header .wrap > .pill{display:none}
}