:root{
  --bg:#07111f; --bg2:#0b1729; --panel:rgba(13,28,48,.78); --panel-solid:#0d1c30;
  --text:#eef6ff; --muted:#91a6bd; --border:rgba(143,182,220,.16);
  --accent:#42a5ff; --accent-strong:#7cc7ff; --accent-soft:rgba(66,165,255,.12);
  --green:#35d39a; --green-soft:rgba(53,211,154,.11); --gold:#f3bd64;
  --cat-sql:#42a5ff; --cat-bi:#f3bd64; --cat-excel:#35d39a; --cat-py:#a98bff;
  --font-display:'Space Grotesk','Segoe UI',sans-serif; --font-body:'Inter','Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','Cascadia Code',monospace;
  --radius:18px; --max-width:1120px;
}
[data-theme="light"]{
  --bg:#f4f8fc; --bg2:#eaf2f9; --panel:rgba(255,255,255,.82); --panel-solid:#fff;
  --text:#0c1b2b; --muted:#60758a; --border:rgba(24,63,95,.13);
  --accent:#087fe8; --accent-strong:#0666bb; --accent-soft:rgba(8,127,232,.09);
  --green:#119b70; --green-soft:rgba(17,155,112,.09); --gold:#b47717;
  --cat-sql:#087fe8; --cat-bi:#b47717; --cat-excel:#119b70; --cat-py:#7454d6;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;transition:.25s}
body::before,body::after{content:"";position:fixed;z-index:-2;pointer-events:none;border-radius:50%;filter:blur(70px);opacity:.18}
body::before{width:420px;height:420px;background:var(--accent);top:-160px;right:-100px;animation:orb 12s ease-in-out infinite}
body::after{width:360px;height:360px;background:var(--green);bottom:-180px;left:-120px;animation:orb 15s ease-in-out infinite reverse}
@keyframes orb{50%{transform:translate(40px,30px) scale(1.08)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
h1,h2,h3,h4,.display{font-family:var(--font-display);line-height:1.12;letter-spacing:-.025em;margin:0 0 .55em}
p{margin:0 0 1em} a{color:var(--accent);text-decoration:none} a:hover{color:var(--accent-strong)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:5px}
img{max-width:100%;display:block;border-radius:var(--radius)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 28px}.mono{font-family:var(--font-mono)}
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.nav-wrap{max-width:var(--max-width);margin:auto;padding:15px 28px;display:flex;align-items:center;gap:18px}
.logo{font-family:var(--font-mono);font-weight:700;color:var(--text);font-size:15px;white-space:nowrap}.logo span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0 auto;padding:0;font-family:var(--font-mono);font-size:12px}
.nav-links a{color:var(--muted);padding:8px 11px;border-radius:9px}.nav-links a::before{content:"";}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text);background:var(--accent-soft);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:8px}
#theme-toggle,.nav-toggle,.lang-btn{border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;height:38px;border-radius:10px;font-family:var(--font-mono)}
#theme-toggle{width:38px;font-size:16px}.theme-icon{line-height:1}
.nav-toggle{display:none;width:38px;font-size:17px}.lang-switch{display:flex;gap:3px;padding:3px;border:1px solid var(--border);background:var(--panel);border-radius:11px}.lang-btn{border:0;background:transparent;height:30px;padding:0 8px;font-size:10px;color:var(--muted)}.lang-btn.active{background:var(--accent);color:#fff}
.cv-btn{border:1px solid var(--border);background:var(--panel);color:var(--text);font-family:var(--font-mono);font-size:12px;padding:8px 12px;border-radius:10px;display:inline-flex;align-items:center;gap:6px}.cv-btn:hover{border-color:var(--accent);color:var(--text);text-decoration:none}.cv-btn svg{width:14px}
.hero{position:relative;overflow:hidden;padding:88px 0 52px;border-bottom:1px solid var(--border)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(120,170,220,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,220,.055) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 85%);animation:gridmove 18s linear infinite}
@keyframes gridmove{to{background-position:44px 44px}}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-170px;top:-210px;border:1px solid var(--border);border-radius:50%;box-shadow:0 0 0 45px rgba(66,165,255,.025),0 0 0 95px rgba(66,165,255,.02);z-index:-1}
.hero-inner{display:grid;grid-template-columns:1fr 310px;gap:70px;align-items:center}.hero .prompt{font-family:var(--font-mono);font-size:12px;color:var(--green);display:inline-flex;align-items:center;gap:7px;margin-bottom:16px}.hero .prompt::before{content:"●";font-size:8px}.hero .prompt::after{content:"";width:7px;height:14px;background:var(--accent);animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}
.hero h1{font-size:clamp(2.5rem,6vw,4.8rem);max-width:760px}.hero .role{font-family:var(--font-mono);color:var(--accent-strong);font-size:14px;margin:18px 0}.hero .lead{max-width:68ch;color:var(--muted);font-size:1.03rem}.hero .cta-row{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.btn{font-family:var(--font-mono);font-size:12px;padding:11px 16px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);display:inline-flex;align-items:center;transition:.2s}.btn:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-strong);color:#fff}.btn-ghost{background:transparent}
.data-orbit{width:280px;height:230px;position:relative}.data-orbit .glass{position:absolute;inset:25px 0;background:var(--panel);border:1px solid var(--border);border-radius:22px;backdrop-filter:blur(12px);box-shadow:0 25px 80px rgba(0,0,0,.18);padding:20px}.mini-label{font:10px var(--font-mono);color:var(--muted)}.mini-value{font:700 31px var(--font-display);margin:4px 0 15px}.mini-bars{display:flex;align-items:end;gap:8px;height:75px}.mini-bars i{flex:1;border-radius:5px 5px 2px 2px;background:linear-gradient(to top,var(--accent),var(--green));animation:bar .9s both;transform-origin:bottom}.mini-bars i:nth-child(1){height:35%}.mini-bars i:nth-child(2){height:58%}.mini-bars i:nth-child(3){height:46%}.mini-bars i:nth-child(4){height:78%}.mini-bars i:nth-child(5){height:92%}@keyframes bar{from{transform:scaleY(0);opacity:0}}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);margin-top:52px;border:1px solid var(--border);border-radius:16px;background:var(--panel);backdrop-filter:blur(12px);overflow:hidden}.stat{padding:17px 20px;border-right:1px solid var(--border)}.stat:last-child{border-right:0}.stat-num{font:700 1.55rem var(--font-display);display:block}.stat-num span{color:var(--accent)}.stat-label{font:10px var(--font-mono);color:var(--muted);display:block;margin-top:2px}
.section{padding:70px 0}.section+.section{border-top:1px solid var(--border)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:26px}.section-head h2{font-size:1.55rem}.see-all{font:11px var(--font-mono)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px;backdrop-filter:blur(12px);transition:.22s;box-shadow:0 12px 40px rgba(0,0,0,.04)}.card:hover{border-color:color-mix(in srgb,var(--accent) 60%,var(--border));transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,.1)}.card .meta{font:10px var(--font-mono);color:var(--gold)}.card h3{font-size:1.12rem}.card p{color:var(--muted);font-size:.91rem}.card .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}.tag{font:10px var(--font-mono);padding:4px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.card-link,.project-links{font:11px var(--font-mono);margin-top:auto}.project-links{display:flex;gap:14px}
.project-card{padding:0;gap:0;overflow:hidden}.project-card .cat-strip{height:4px;background:var(--cat-color,var(--accent))}.project-card .cat-visual{height:130px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 30%,color-mix(in srgb,var(--cat-color,var(--accent)) 14%,transparent),transparent 65%),var(--bg2);border-bottom:1px solid var(--border)}.project-card .cat-visual svg{width:58px;height:58px;color:var(--cat-color,var(--accent))}.project-card .cat-visual.has-image{padding:0}.project-card .cat-visual.has-image img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .35s ease}.project-card:hover .cat-visual.has-image img{transform:scale(1.05)}.project-card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}.project-card .cat-name{font:10px var(--font-mono);color:var(--cat-color,var(--accent));text-transform:uppercase;letter-spacing:.08em}
.skill-group{margin-bottom:22px}.skill-group-label{font:10px var(--font-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;display:block;margin-bottom:8px}.skills-list{display:flex;flex-wrap:wrap;gap:7px}
.bio-columns{display:grid;grid-template-columns:1.45fr .75fr;gap:55px;align-items:start}.bio-columns aside{position:sticky;top:90px;padding:22px;border:1px solid var(--border);border-radius:18px;background:var(--panel)}
.timeline{position:relative;margin-top:8px}.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--border)}.timeline-item{position:relative;padding:0 0 28px 28px}.timeline-item::before{content:"";position:absolute;left:0;top:6px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}.timeline-item .tl-date{font:10px var(--font-mono);color:var(--gold);display:block;margin-bottom:4px}.timeline-item h4{font-size:1rem}.timeline-item .tl-org,.timeline-item ul{color:var(--muted);font-size:.9rem}.timeline-item ul{padding-left:1.1em}
.badge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.badge-card{display:flex;gap:12px;padding:15px;border:1px solid var(--border);border-radius:14px;background:var(--panel)}.badge-card svg{width:21px;color:var(--green);flex-shrink:0}.badge-card h4{font-size:.9rem}.badge-year{font:10px var(--font-mono);color:var(--muted)}
.lang-list{display:flex;flex-direction:column;gap:9px}.lang-row{display:flex;justify-content:space-between;font-size:.9rem}.lang-level{font:10px var(--font-mono);color:var(--green);background:var(--green-soft);padding:3px 8px;border-radius:999px}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;max-width:900px}.contact-item{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid var(--border);border-radius:15px;background:var(--panel);transition:.2s}.contact-item:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}.contact-item .icon{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--accent-soft);font-size:18px}.contact-item .label{font:10px var(--font-mono);color:var(--muted)}.contact-item .value{font-weight:650;color:var(--text);word-break:break-word}
.article-header{padding:60px 0 25px;border-bottom:1px solid var(--border)}.article-header .meta{font:10px var(--font-mono);color:var(--gold)}.article-header h1{font-size:clamp(2rem,4vw,3rem);max-width:850px}.article-body{padding:42px 0 72px;max-width:850px}.article-body h2{margin-top:1.7em;font-size:1.45rem}.article-body p,.article-body li{color:var(--text)}.article-body code{font-family:var(--font-mono);background:var(--accent-soft);padding:2px 6px;border-radius:5px}.article-body pre{background:var(--panel-solid);border:1px solid var(--border);padding:16px;border-radius:12px;overflow:auto}.article-body blockquote{margin:1.5em 0;padding:4px 20px;border-left:3px solid var(--accent);color:var(--muted);font-style:italic}.back-link{font:11px var(--font-mono);display:inline-block;margin-bottom:18px}
.site-footer{border-top:1px solid var(--border);padding:30px 0;font:11px var(--font-mono);color:var(--muted);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.footer-social{display:flex;gap:14px}.footer-social a{color:var(--muted)}.footer-social svg{width:16px}.empty-state{font:11px var(--font-mono);color:var(--muted);padding:30px 0}
@media(max-width:820px){.nav-wrap{flex-wrap:wrap}.nav-toggle{display:block;order:2}.nav-right{order:3;margin-left:auto}.nav-links{display:none;order:4;width:100%;flex-direction:column;align-items:stretch;padding-top:8px}.nav-links.open{display:flex}.nav-links a{display:block}.hero-inner{grid-template-columns:1fr}.data-orbit{width:260px;margin:auto;order:-1}.stat-row{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--border)}.bio-columns{grid-template-columns:1fr}.bio-columns aside{position:static}.container{padding:0 20px}.nav-wrap{padding:13px 20px}}
@media(max-width:520px){.logo{margin-right:auto}.cv-btn{display:none}.lang-btn{padding:0 6px}.hero{padding-top:60px}.hero h1{font-size:2.45rem}.stat-row{grid-template-columns:1fr 1fr}.stat{padding:14px}.card-grid{grid-template-columns:1fr}.section{padding:52px 0}}