:root{
  --bg:#060810; --surface:rgba(255,255,255,.035); --surface-2:rgba(255,255,255,.06);
  --text:#eaf0ff; --muted:#8c97b0; --line:rgba(255,255,255,.09);
  --accent:#4ff0c4; --accent-2:#7c6cff; --accent-3:#ff6ad5; --warn:#ffb454; --accent-soft:rgba(79,240,196,.12);
  --radius:16px;
  --font:"Inter",system-ui,-apple-system,Segoe UI,sans-serif; --display:"Space Grotesk",var(--font); --mono:"JetBrains Mono",ui-monospace,monospace;
}
:root[data-theme="light"]{
  --bg:#f2f5fb; --surface:rgba(255,255,255,.78); --surface-2:rgba(255,255,255,.95);
  --text:#0b1020; --muted:#55607a; --line:rgba(11,16,32,.1);
  --accent:#009c74; --accent-2:#5a4bff; --accent-3:#d6329f; --warn:#c77700; --accent-soft:rgba(0,156,116,.1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4{line-height:1.1;margin:0;font-family:var(--display)}
::selection{background:var(--accent);color:#061018}

#gl{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.grid-overlay{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 10%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 10%,#000 0%,transparent 70%);opacity:.5}
.cursor-glow{position:fixed;z-index:0;width:520px;height:520px;border-radius:50%;pointer-events:none;left:0;top:0;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(124,108,255,.16),rgba(79,240,196,.06) 40%,transparent 70%);filter:blur(10px);transition:opacity .4s;opacity:0}
:root[data-theme="light"] .cursor-glow{opacity:0!important}

.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;padding:12px 24px;
  background:color-mix(in srgb,var(--bg) 65%,transparent);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.brand{font-family:var(--mono);font-weight:600;font-size:1rem;color:var(--text)}
.brand .prompt{color:var(--muted)}
.brand .cursor{color:var(--accent);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.nav nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.nav nav a{color:var(--muted);font-size:.86rem;font-family:var(--mono);transition:color .2s;position:relative}
.nav nav a::before{content:"./";opacity:0;transition:opacity .2s;position:absolute;left:-1.1em;color:var(--accent)}
.nav nav a:hover{color:var(--text)}.nav nav a:hover::before{opacity:1}
.status{font-family:var(--mono);font-size:.74rem;color:var(--accent);display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);border-radius:999px;background:var(--accent-soft)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.theme{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;width:34px;height:34px;cursor:pointer;font-size:.95rem;backdrop-filter:blur(8px)}

main{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:0 20px 64px}
.hero{min-height:calc(100vh - 62px);display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:56px 0 40px}
.eyebrow{font-family:var(--mono);font-size:.8rem;color:var(--accent);margin:0 0 18px;letter-spacing:.02em}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);font-weight:700;letter-spacing:-.035em}
.grad{background:linear-gradient(100deg,var(--accent) 0%,var(--accent-2) 50%,var(--accent-3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shift 7s ease-in-out infinite}
@keyframes shift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.lede{font-size:1.1rem;color:var(--muted);max-width:560px;margin:22px 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-weight:600;font-size:.93rem;font-family:var(--mono);
  transition:transform .2s,box-shadow .2s,border-color .2s;backdrop-filter:blur(8px)}
.btn span{transition:transform .2s}
.btn:hover{transform:translateY(-2px);border-color:var(--accent)}.btn:hover span{transform:translateX(3px)}
.btn.primary{background:linear-gradient(100deg,var(--accent),var(--accent-2));border-color:transparent;color:#061018}
.btn.primary:hover{box-shadow:0 12px 40px -12px var(--accent)}
:root[data-theme="light"] .btn.primary{color:#fff}
.reach{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin:18px 0 0}
.reach a{color:var(--muted)}.reach a:hover{color:var(--accent)}
.stats{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stats li{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;backdrop-filter:blur(10px)}
.stats li::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.stats li.in::after{transform:scaleX(1)}
.stats strong{font-family:var(--mono);font-size:1.55rem;font-weight:600;letter-spacing:-.02em;color:var(--text)}
.stats span{color:var(--muted);font-size:.78rem;font-family:var(--mono)}

/* terminal */
.terminal{border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--bg) 70%,transparent);backdrop-filter:blur(14px);overflow:hidden;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.02) inset;transform:perspective(1200px) rotateY(-4deg) rotateX(2deg);transition:transform .6s}
.terminal:hover{transform:perspective(1200px) rotateY(0) rotateX(0)}
.term-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface)}
.term-bar span{width:10px;height:10px;border-radius:50%;background:#ff5f57}.term-bar span:nth-child(2){background:#febc2e}.term-bar span:nth-child(3){background:#28c840}
.term-bar em{margin-left:auto;font-style:normal;font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.term-log{margin:0;padding:14px 16px;font-family:var(--mono);font-size:.72rem;line-height:1.65;color:var(--muted);height:210px;overflow:hidden;white-space:pre-wrap}
.term-log .k{color:var(--accent)}.term-log .n{color:var(--text)}.term-log .w{color:var(--warn)}.term-log .m{color:var(--accent-3)}.term-log .c{color:var(--accent-2)}
.term-log .caret{display:inline-block;width:.55em;height:1em;background:var(--accent);vertical-align:-2px;animation:blink 1s steps(1) infinite}
.curve{padding:12px 16px 14px;border-top:1px solid var(--line)}
.curve-head{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.7rem;color:var(--muted);margin-bottom:6px}
.curve-head span:last-child{color:var(--accent)}
#curve{width:100%;height:auto;display:block}

/* marquee */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.track{display:flex;gap:40px;width:max-content;animation:scroll 40s linear infinite}
.track span{font-family:var(--mono);font-size:.82rem;color:var(--muted);white-space:nowrap}
.track span::before{content:"◆ ";color:var(--accent);font-size:.6rem;vertical-align:2px}
@keyframes scroll{to{transform:translateX(-50%)}}

.block{padding:72px 0;border-top:1px solid var(--line)}
.block h2{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:32px;display:flex;align-items:baseline;gap:14px}
.block h2 small{font-family:var(--mono);font-size:.8rem;color:var(--accent);font-weight:500}
.block h2 small::before{content:"// "}
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px;color:var(--muted);font-size:1.05rem}
.two p{margin:0}
.hud{margin-top:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.hud div{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--surface);backdrop-filter:blur(8px);position:relative}
.hud div::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;background:var(--accent);border-radius:2px}
.hud span{display:block;font-family:var(--mono);font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.hud b{font-weight:600;font-size:.92rem}

.timeline{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:16px;position:relative}
.timeline::before{content:"";position:absolute;left:191px;top:0;bottom:0;width:1px;background:linear-gradient(var(--accent),var(--accent-2),transparent)}
.timeline li{display:grid;grid-template-columns:180px 1fr;gap:36px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);backdrop-filter:blur(10px);transition:border-color .25s,transform .25s;position:relative}
.timeline li::before{content:"";position:absolute;left:167px;top:30px;width:9px;height:9px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 12px var(--accent)}
.timeline li:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--line));transform:translateX(4px)}
.when{font-family:var(--mono);font-size:.76rem;color:var(--accent);padding-top:6px}
.what h3{font-size:1.2rem;font-weight:700}
.what h3 span{display:block;font-size:.88rem;font-weight:400;color:var(--muted);margin-top:4px;font-family:var(--font)}
.what ul{padding-left:18px;margin:14px 0 0;color:var(--muted)}
.what li{margin-bottom:10px}
.what b{color:var(--text);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.chips span{font-family:var(--mono);font-size:.7rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--surface-2)}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px;backdrop-filter:blur(10px);
  transition:transform .3s,border-color .3s;overflow:hidden;transform-style:preserve-3d}
.card::after{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:linear-gradient(135deg,var(--accent),var(--accent-2),var(--accent-3));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s;pointer-events:none}
.card .glow{position:absolute;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,var(--accent-soft),transparent 70%);pointer-events:none;transform:translate(-50%,-50%);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-6px)}.card:hover::after,.card:hover .glow{opacity:1}
.card .tag{font-family:var(--mono);font-size:.7rem;color:var(--accent);margin:0}
.card .tag::before{content:"// "}
.card h3{font-size:1.15rem;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .stack{margin-top:auto;padding-top:10px;font-size:.76rem;color:var(--text);font-family:var(--mono)}

.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.skills div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;backdrop-filter:blur(10px);transition:border-color .25s}
.skills div:hover{border-color:color-mix(in srgb,var(--accent-2) 50%,var(--line))}
.skills h4{font-family:var(--mono);font-size:.74rem;color:var(--accent);margin-bottom:8px;font-weight:500}
.skills h4::before{content:"$ "}
.skills p{margin:0;color:var(--muted);font-size:.95rem}

.edu,.pubs{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.edu li{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(10px)}
.edu strong{font-family:var(--display)}.edu span{color:var(--muted);font-family:var(--mono);font-size:.85rem}
.pubs li{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);backdrop-filter:blur(10px)}
.pubs .kind{display:block;font-family:var(--mono);font-size:.7rem;color:var(--accent);margin-bottom:6px}
.pubs em{color:var(--text);font-style:normal;font-weight:600}

.contact p{color:var(--muted);max-width:600px;font-size:1.05rem}
.links{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.links a{padding:11px 18px;border-radius:12px;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);font-weight:600;font-size:.9rem;font-family:var(--mono);transition:transform .2s,box-shadow .2s}
.links a:hover{transform:translateY(-2px);box-shadow:0 8px 30px -12px var(--accent)}
footer{position:relative;z-index:1;text-align:center;color:var(--muted);font-size:.78rem;padding:24px 16px 40px;border-top:1px solid var(--line);font-family:var(--mono)}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.grad,.dot,.track,.cursor{animation:none}.terminal{transform:none}}
@media (max-width:980px){.hero{grid-template-columns:1fr;gap:28px}.terminal{transform:none}.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){
  .nav nav,.status{display:none}
  .two{grid-template-columns:1fr}
  .timeline::before,.timeline li::before{display:none}
  .timeline li{grid-template-columns:1fr;gap:6px;padding:18px}
  .hero{min-height:auto;padding:44px 0 32px}
  .grid-overlay{background-size:44px 44px}
  .term-log{height:170px;font-size:.7rem}
}