@font-face{font-family:"InterV";src:url(../fonts/inter-var.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"JBMonoV";src:url(../fonts/jetbrains-mono-var.woff2) format("woff2");font-weight:100 800;font-display:swap}
:root{
  --bg:#070b16;--bg2:#0b1222;--line:rgba(148,178,255,.12);--line2:rgba(148,178,255,.22);
  --text:#e6ecf8;--muted:#93a1bd;--c1:#22d3ee;--c2:#8b5cf6;--c3:#6366f1;
  --grad:linear-gradient(110deg,var(--c1),var(--c3) 55%,var(--c2));
  --glass:rgba(17,26,48,.55);--r:18px;
  --sans:"InterV","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"JBMonoV","JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:radial-gradient(1200px 700px at 80% -10%,#131c3a 0,transparent 60%),var(--bg);color:var(--text);font:400 16px/1.65 var(--sans);overflow-x:hidden;min-height:100vh}
img{max-width:100%;display:block}
a{color:var(--c1);text-decoration:none}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}.small{font-size:.86rem}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* background */
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:-2;pointer-events:none}
.glow{position:fixed;z-index:-1;border-radius:50%;filter:blur(90px);opacity:.35;pointer-events:none}
.glow-a{width:520px;height:520px;background:#0e7490;top:-160px;left:-180px;animation:drift 22s ease-in-out infinite alternate}
.glow-b{width:560px;height:560px;background:#5b21b6;bottom:-220px;right:-200px;animation:drift 26s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate(80px,60px) scale(1.1)}}

/* glass */
.glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:0 10px 40px -20px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.04)}
.card{padding:24px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(7,11,22,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:12px;color:var(--text)}
.logo-mark{font:800 1.15rem/1 var(--mono);letter-spacing:.06em;padding:7px 10px;border-radius:10px;border:1px solid var(--line2);background:linear-gradient(135deg,rgba(34,211,238,.15),rgba(139,92,246,.15))}
.logo-mark.sm{font-size:.9rem;padding:5px 8px}
.logo-sub{font-size:.85rem;color:var(--muted);display:none}
.menu{display:none}
.burger{width:44px;height:44px;border:1px solid var(--line2);border-radius:12px;background:transparent;display:grid;place-content:center;gap:6px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav.open .burger span:first-child{transform:translateY(4px) rotate(45deg)}
.nav.open .burger span:last-child{transform:translateY(-4px) rotate(-45deg)}
.nav.open .menu{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;padding:12px 20px 20px;background:rgba(7,11,22,.95);border-bottom:1px solid var(--line)}
.menu a{color:var(--text);padding:12px 4px;font-weight:500;border-bottom:1px solid var(--line)}
@media(min-width:820px){
  .burger{display:none}.logo-sub{display:inline}
  .menu,.nav.open .menu{display:flex;flex-direction:row;position:static;padding:0;background:none;border:0;gap:6px}
  .menu a{border:0;padding:8px 14px;border-radius:10px;color:var(--muted);font-size:.95rem;transition:.2s}
  .menu a:hover{color:var(--text);background:rgba(148,178,255,.08)}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;font:600 .98rem var(--sans);cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s;color:var(--text)}
.btn-primary{background:var(--grad);color:#05101c;box-shadow:0 8px 30px -10px rgba(34,211,238,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 36px -10px rgba(139,92,246,.7)}
.btn-ghost{background:rgba(148,178,255,.06);border-color:var(--line2)}
.btn-ghost:hover{background:rgba(148,178,255,.12)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--c1);outline-offset:3px}

/* hero */
.hero{padding:40px 0 30px;position:relative}
.hero-in{display:grid;gap:28px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-size:.82rem;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(17,26,48,.5);margin:0 0 20px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c1);box-shadow:0 0 12px var(--c1);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
h1{margin:0;font-weight:800;line-height:1;letter-spacing:-.03em;font-size:clamp(3.6rem,15vw,7.5rem)}
.h1-sub{display:block;font-size:clamp(1.15rem,4.2vw,1.7rem);font-weight:600;letter-spacing:-.01em;color:var(--text);margin-top:12px}
.lead{font-size:clamp(1.02rem,2.6vw,1.2rem);color:#c3cde2;max-width:560px;margin:20px 0 26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:1fr;gap:10px}
.hero-meta li{display:flex;flex-direction:column;gap:2px;min-width:0;padding:10px 14px;border-left:2px solid;border-image:var(--grad) 1;background:rgba(17,26,48,.35)}
.hero-meta b{font-size:.92rem;color:var(--text);white-space:nowrap}
.hero-meta span{font-size:.76rem;color:var(--muted)}
.hero-visual{position:relative;margin:-10px -20px 0}
.hero-visual img{width:100%;height:auto;mix-blend-mode:screen;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 60% 50%,#000 40%,transparent 85%);mask-image:radial-gradient(ellipse 70% 70% at 60% 50%,#000 40%,transparent 85%);animation:float 9s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}
.term{position:relative;margin:-30px 20px 0 auto;max-width:400px;padding:0 0 4px;font-size:.78rem;border-radius:14px}
.term-bar{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.72rem}
.term-bar i{width:9px;height:9px;border-radius:50%;background:#334155}
.term-bar i:first-child{background:#f87171}.term-bar i:nth-child(2){background:#fbbf24}.term-bar i:nth-child(3){background:#34d399}
.term-bar span{margin-left:8px}
.term pre{margin:0;padding:12px 14px;white-space:pre-wrap;color:#cbd5e1;line-height:1.7}
.term .c{color:var(--c1)}.term b{color:#c4b5fd;font-weight:600}
.cursor{animation:blink 1s steps(1) infinite;color:var(--c1)}
@keyframes blink{50%{opacity:0}}
@media(min-width:560px){.hero-meta{grid-template-columns:repeat(3,auto);justify-content:start}.hero-meta li{flex-direction:column;gap:2px}}
@media(min-width:980px){
  .hero{padding:80px 0 60px;min-height:calc(100vh - 64px);display:flex;align-items:center}
  .hero-in{grid-template-columns:1.05fr 1fr;gap:20px}
  .hero-visual{margin:0 -120px 0 -60px}
  .hero-visual img{-webkit-mask-image:radial-gradient(ellipse 60% 62% at 64% 50%,#000 35%,transparent 78%);mask-image:radial-gradient(ellipse 60% 62% at 64% 50%,#000 35%,transparent 78%)}
  .term{position:absolute;right:150px;bottom:0;margin:0;width:400px}
}

/* sections */
.section{padding:64px 0;scroll-margin-top:64px}
.sec-head{margin-bottom:30px}
.sec-num{font-size:.78rem;color:var(--c1);letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px}
h2{font-size:clamp(1.9rem,6vw,2.8rem);line-height:1.1;margin:0 0 10px;letter-spacing:-.02em;font-weight:750}
.sec-head .muted{margin:0;max-width:600px}
@media(min-width:980px){.section{padding:96px 0}}

/* about */
.about-grid{display:grid;gap:18px}
.about-text p{margin:0 0 14px;color:#cdd6e8}
.about-text p:last-child{margin:0}
.about-text p.small{margin-bottom:12px}
.skills{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.skills li{padding:16px;display:flex;flex-direction:column;gap:2px;transition:border-color .25s,transform .25s}
.skills li:hover{border-color:var(--line2);transform:translateY(-2px)}
.ic{font-size:1.3rem;width:38px;height:38px;display:grid;place-items:center;border-radius:10px;margin-bottom:8px;background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.18));color:#a5f3fc}
.skills b{font-size:.95rem;font-weight:600}
.skills small{color:var(--muted);font-size:.8rem;line-height:1.4}
@media(min-width:980px){.about-grid{grid-template-columns:1.15fr 1fr;gap:22px;align-items:start}.about-text{padding:32px}}

/* projects */
.projects{display:grid;gap:20px}
.proj{overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}
.proj:hover{transform:translateY(-4px);border-color:var(--line2)}
.proj-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#060a14}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.proj:hover .proj-img img{transform:scale(1.04)}
.proj-img::after{content:"";position:absolute;inset:auto 0 0 0;height:40%;background:linear-gradient(transparent,rgba(11,18,34,.9));pointer-events:none}
.proj-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.proj-body p{margin:0;color:#c3cde2}
.proj-body p.small{color:var(--muted)}
.tag{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--c1)!important}
h3{margin:0;font-size:1.3rem;line-height:1.25;letter-spacing:-.01em}
.link{font-weight:600;margin-top:auto;padding-top:6px;display:inline-flex;gap:6px}
.link span{transition:transform .2s}.link:hover span{transform:translateX(4px)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:2}
.play{position:absolute;z-index:3;left:20px;bottom:20px;display:flex;align-items:center;gap:10px;padding:12px 20px 12px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.25);background:rgba(7,11,22,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font:600 .95rem var(--sans);cursor:pointer;transition:.25s}
.play svg{width:34px;height:34px;padding:8px;border-radius:50%;background:var(--grad);fill:#05101c}
.play:hover{background:rgba(7,11,22,.8);transform:scale(1.05)}
@media(min-width:760px){
  .projects{grid-template-columns:1fr 1fr}
  .proj-wide{grid-column:1/-1;flex-direction:row}
  .proj-wide .proj-img{flex:1.3;aspect-ratio:auto;min-height:340px}
  .proj-wide .proj-body{flex:1;padding:32px;justify-content:center}
  .proj-wide .proj-img::after{inset:0 0 0 auto;width:30%;height:auto;background:linear-gradient(90deg,transparent,rgba(11,18,34,.85))}
}
@media(min-width:1100px){
  .projects{grid-template-columns:repeat(3,1fr)}
  .proj-wide{grid-column:1/-1}
}

/* timeline */
.timeline{list-style:none;margin:0;padding:0 0 0 4px;position:relative;display:grid;gap:14px}
.timeline::before{content:"";position:absolute;left:12px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--c1),var(--c2));opacity:.6}
.timeline li{position:relative;padding-left:40px;display:grid;gap:6px;grid-template-rows:auto 1fr;align-content:start}
.timeline li::before{content:"";position:absolute;left:3px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--c1);box-shadow:0 0 14px rgba(34,211,238,.6)}
.t-date{font-size:.78rem;color:var(--c1);letter-spacing:.08em;text-transform:uppercase}
.t-card{padding:14px 18px}
.t-card b{font-weight:600}
.t-card p{margin:2px 0 0;color:var(--muted);font-size:.92rem}
@media(min-width:980px){
  .timeline{grid-template-columns:1.5fr 1fr 1fr;gap:16px;padding:30px 0 0}
  .timeline::before{left:0;right:0;top:7px;bottom:auto;width:auto;height:2px;background:linear-gradient(90deg,var(--c1),var(--c2))}
  .timeline li{padding:0;padding-top:16px}
  .timeline li::before{left:0;top:-31px}
  .t-card{height:100%}
}

/* contact */
.contact-grid{display:grid;gap:18px}
.form{display:grid;gap:16px}
.row2{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field span{font-size:.85rem;color:var(--muted);font-weight:500}
input,textarea{width:100%;font:inherit;color:var(--text);background:rgba(5,9,20,.6);border:1px solid var(--line2);border-radius:12px;padding:13px 14px;transition:border-color .2s,box-shadow .2s;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--c1);box-shadow:0 0 0 4px rgba(34,211,238,.12)}
.form-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.form-status{margin:0;color:#a5f3fc;flex-basis:100%}
.form-status:empty{display:none}
.contact-side dl{margin:10px 0 0;display:grid;grid-template-columns:auto 1fr;gap:10px 18px}
.contact-side dt{color:var(--muted);font-size:.85rem}
.contact-side dd{margin:0;font-weight:500}
.side-img{margin-top:22px;aspect-ratio:16/9;border-radius:14px;background:url(../img/hero.webp) 70% 50%/cover;opacity:.85;-webkit-mask-image:linear-gradient(#000 60%,transparent);mask-image:linear-gradient(#000 60%,transparent)}
@media(min-width:760px){.row2{grid-template-columns:1fr 1fr}}
@media(min-width:980px){.contact-grid{grid-template-columns:1.6fr 1fr}.form{padding:32px}}

/* footer */
.footer{border-top:1px solid var(--line);padding:28px 0 calc(28px + env(safe-area-inset-bottom));margin-top:40px;background:rgba(7,11,22,.6)}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* era divider + timeline list */
.era{margin:56px 0 22px;display:grid;gap:6px;max-width:680px}
.era-label{margin:0;font-size:1.05rem;font-weight:600;color:var(--text);letter-spacing:.02em}
.era-label span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.era .muted{margin:0}
.t-card ul{margin:8px 0 0;padding-left:1.1em;color:var(--muted);font-size:.92rem}
.t-card ul li{padding:0;margin:0 0 4px;display:list-item}
.t-card ul li::before{display:none}
@media(min-width:1100px){.projects .proj-wide{grid-column:1/-1}}
.t-card ul{list-style:disc}.t-card ul li::marker{color:var(--c1)}
.nw{white-space:nowrap}

/* live form */
.form-status.ok{color:#6ee7b7}.form-status.err{color:#fca5a5}
.hp{position:absolute!important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}