:root{
  --bg:#000; --card:#111; --line:#333;
  --text:#fff; --muted:#9aa0a6;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
.wrap{max-width:1080px;margin:0 auto;padding:80px 20px 60px}
#about,#experience,#projects,#ai,#contact{scroll-margin-top:70px}
.topnav{position:fixed;top:0;left:0;right:0;background:rgba(0,0,0,.92);border-bottom:1px solid var(--line);z-index:100;backdrop-filter:blur(8px)}
.nav-inner{max-width:1080px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:center;height:56px}
.nav-links{display:flex;gap:24px;list-style:none;margin:0;padding:0}
.nav-links a{color:#c0c6cc;text-decoration:none;font-size:14px;font-weight:500}
.nav-links a:hover{color:#fff}
.hero{text-align:center;padding:20px 0 36px;border-bottom:1px solid var(--line);margin-bottom:36px}
.hero h1{font-size:40px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#fff;padding:14px 0;border-top:2px solid #fff;border-bottom:2px solid #fff;display:inline-block}
.hero .contact{color:#c0c6cc;font-size:17px;margin-top:14px}
.hero .role{color:#fff;font-size:17px;margin:16px 0 0;font-weight:500;display:flex;flex-direction:column;gap:10px}
.hero .role .tagline{color:#fff;font-weight:600;display:block;opacity:.85}
.hero .links{display:flex;justify-content:center;gap:40px;margin-top:24px;flex-wrap:wrap}
.hero .link{display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;color:#fff;font-size:13px;font-weight:600}
.hero .link img{border:1px solid #fff;border-radius:8px;padding:4px;background:#000}
.hero .link:hover{opacity:.8}
.stats-wrap{margin:28px 0 0;padding-bottom:40px;border-bottom:1px solid var(--line)}
.stats-title{text-align:center;font-size:22px;font-weight:700;color:#fff;letter-spacing:1px;text-transform:uppercase;margin:30px 0 30px;display:flex;align-items:center;justify-content:center;gap:14px}
.stats-title::before,.stats-title::after{content:"";flex:1;max-width:80px;height:1px;background:var(--line)}
.stats-wrap .stats-title:first-child{margin-top:0}
.stats-title + .stats-title{margin-top:40px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 16px;text-align:center;position:relative;box-shadow:0 6px 24px rgba(0,0,0,.25);display:flex;flex-direction:column;justify-content:center;min-height:170px}
.stat::before{content:"";position:absolute;top:0;left:14px;right:14px;height:3px;border-radius:0 0 4px 4px;background:#fff;opacity:.8}
.stat .num{font-size:42px;font-weight:750;display:block;line-height:1.1;color:#fff}
.stat .num.g{color:#fff}
.stat .num.b{color:#fff}
.stat .num.r{color:#fff}
.stat .word{font-size:42px;font-weight:750;display:block;line-height:1.1;color:#fff}
.stat .lbl{color:#bbb;font-size:14px;margin-top:10px;line-height:1.45;display:block;overflow-wrap:break-word;word-break:break-word}
.sec{margin:40px 0 44px;padding-top:40px;border-top:1px solid var(--line)}
.sec:last-of-type{margin-bottom:0}
.sec-title{font-size:26px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;text-transform:uppercase;letter-spacing:1px;color:#fff}
.sec-title::before{content:'';width:4px;height:26px;background:#fff;display:inline-block;flex-shrink:0}
.sec-title .tag{font-size:12px;background:#fff;color:#000;font-weight:700;padding:4px 12px;border-radius:20px;text-transform:uppercase}
.sec-title .b-violet-tag{background:#fff;color:#000;padding:4px 12px;border-radius:20px;font-size:12px}
.sec-sub{color:#c0c6cc;font-size:15px;margin-bottom:22px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px}
.card h3{font-size:16px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card p{color:var(--muted);font-size:13.5px}
.card p b{color:#fff}
.card-link{display:inline-block;margin-top:12px;color:#fff;font-size:13px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--muted);padding-bottom:1px}
.card-link:hover{color:var(--gold);border-bottom-color:var(--gold)}
.badge{font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px;white-space:nowrap;border:1px solid #fff;color:#fff;background:transparent}
.foot{text-align:center;color:var(--muted);font-size:13px;margin-top:36px;border-top:1px solid var(--line);padding-top:24px}
.float-btn{position:fixed;bottom:28px;right:28px;background:#fff;width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 4px 20px rgba(0,0,0,.4);z-index:99;transition:transform .2s}
.float-btn svg,.to-top svg{display:block;shape-rendering:geometricPrecision}
.float-btn svg{width:32px;height:32px}
.float-btn:hover{transform:scale(1.08)}
.to-top{position:fixed;bottom:104px;right:28px;background:transparent;border:2px solid #fff;color:#fff;width:64px;height:64px;border-radius:50%;text-decoration:none;display:flex;align-items:center;justify-content:center;z-index:99;transition:all .2s;opacity:.7}
.to-top svg{width:28px;height:28px}
.to-top:hover{background:#fff;color:#000;opacity:1}
@media(max-width:600px){.float-btn{bottom:14px;right:14px;width:44px;height:44px}.float-btn svg{width:22px;height:22px}.to-top{bottom:68px;right:14px;width:44px;height:44px}.to-top svg{width:20px;height:20px}}
.foot .ai-note{display:block;margin-top:8px;font-size:12px;color:#6b7280;max-width:620px;margin-left:auto;margin-right:auto;line-height:1.5}
.card.result{text-align:center}
.card.result .rbig{font-size:40px;font-weight:800;color:#fff;margin-top:12px}
.cta{text-align:center;padding:40px 24px;margin:0 0 40px;border-top:1px solid var(--line)}
.cta h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:10px}
.cta p{color:var(--muted);font-size:15px;max-width:560px;margin:0 auto 24px}
.btn{display:inline-block;background:#fff;color:#000;font-weight:700;font-size:16px;padding:14px 32px;border-radius:8px;text-decoration:none}
.btn:hover{opacity:.85}
@media(max-width:768px){
.hero h1{font-size:24px}
.stats{grid-template-columns:repeat(2,1fr)}
.grid{grid-template-columns:1fr}
.nav-links{gap:16px}
.nav-links a{font-size:13px}
.sec-title{font-size:20px}
}
@media(max-width:480px){
.nav-links{gap:10px}
.nav-links a{font-size:11px}
}