:root{
  --bg:#090b15;--bg2:#0f1326;--card:#121731;--card2:#161c3b;--line:#242b52;--line2:#323b75;
  --ink:#e8eaf6;--ink2:#c5c9e4;--muted:#949bc0;
  --cyan:#3be8ff;--pink:#ff52d9;--violet:#8d6bff;--amber:#ffb86b;
  --r:16px;--wrap:1160px;--narrow:740px;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,"SFMono-Regular","SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;color:var(--ink);
  background:var(--bg) radial-gradient(1100px 620px at 85% -8%,rgba(141,107,255,.16),transparent 62%) no-repeat;
  font:17px/1.7 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
main{flex:1}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#fff}
h1,h2,h3,h4{text-wrap:balance}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:var(--narrow);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--cyan);color:#000;padding:8px 14px;z-index:100;border-radius:8px}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.site-head{position:sticky;top:0;z-index:50;background:rgba(9,11,21,.82);
  -webkit-backdrop-filter:saturate(140%) blur(12px);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06)}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:600;font-size:1.12rem;letter-spacing:.2px}
.brand img{border-radius:8px}
.brand b{font-weight:800;margin-left:4px;background:linear-gradient(90deg,var(--cyan),var(--pink));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand:hover{color:var(--ink)}
.mainnav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.mainnav a{display:block;padding:8px 14px;border-radius:999px;color:var(--ink2);font-size:.95rem;white-space:nowrap}
.mainnav a:hover{background:rgba(255,255,255,.06);color:#fff}
.mainnav a.active{background:rgba(59,232,255,.1);color:var(--cyan)}

.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,11,21,.94) 0%,rgba(9,11,21,.62) 46%,rgba(9,11,21,.05) 100%),
             linear-gradient(0deg,var(--bg) 0%,transparent 32%)}
.hero-inner{position:relative;z-index:1;padding:110px 24px 130px}
.eyebrow{font:600 .78rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin:0 0 18px}
.hero h1{font-size:clamp(2.3rem,5.4vw,4.2rem);line-height:1.05;letter-spacing:-.02em;margin:0 0 20px;max-width:13ch}
.grad{background:linear-gradient(90deg,var(--cyan),var(--violet) 50%,var(--pink));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:1.18rem;color:var(--ink2);max-width:36rem;margin:0 0 30px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.cta.center{justify-content:center}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;color:#071018;
  background:linear-gradient(90deg,var(--cyan),#8ff5ff);box-shadow:0 8px 30px -10px rgba(59,232,255,.6)}
.btn:hover{color:#071018;filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line2);box-shadow:none}
.btn.ghost:hover{border-color:var(--cyan);color:#fff}

.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:64px 0 22px}
.sec-head h2{margin:0;font-size:1.6rem;letter-spacing:-.01em}
.sec-head a{font-size:.95rem;white-space:nowrap}
.tag{display:inline-block;align-self:flex-start;font:600 .72rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;
  color:var(--pink);padding:6px 10px;border:1px solid rgba(255,82,217,.35);border-radius:999px;background:rgba(255,82,217,.07)}
.meta{font:500 .8rem/1.5 var(--mono);color:var(--muted)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:22px}
.card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--card2),var(--card));
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;color:var(--ink);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:0 18px 40px -20px rgba(141,107,255,.55);color:var(--ink)}
.card .thumb{aspect-ratio:1200/630;width:100%;object-fit:cover;border-bottom:1px solid var(--line)}
.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{margin:0;font-size:1.18rem;line-height:1.3}
.card p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.6}
.card .meta{margin-top:auto;padding-top:6px}

.featured{margin-top:-64px;position:relative;z-index:2}
.feature{display:grid;grid-template-columns:1.2fr 1fr;color:var(--ink);overflow:hidden;border-radius:20px;
  background:linear-gradient(135deg,var(--card2),var(--card));border:1px solid var(--line2);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.8);transition:border-color .18s ease}
.feature:hover{border-color:var(--violet);color:var(--ink)}
.feature img{width:100%;height:100%;object-fit:cover;aspect-ratio:1200/630}
.feature .body{padding:34px 36px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.feature h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.15;margin:0;letter-spacing:-.01em}
.feature p{color:var(--ink2);margin:0}

.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:64px}
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:26px 28px}
.panel h2{margin:0 0 16px;font-size:1.25rem}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips a{display:inline-block;padding:8px 14px;border-radius:999px;border:1px solid var(--line2);color:var(--ink2);font-size:.92rem}
.chips a:hover{border-color:var(--cyan);color:#fff}
.starts{margin:0;padding-left:1.2em;color:var(--muted)}
.starts li{margin:.5em 0}
.starts a{color:var(--ink)}
.starts a:hover{color:var(--cyan)}
.glossary dl{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin:0}
.glossary dl div{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.glossary dt{font-weight:700;color:var(--cyan);margin-bottom:4px}
.glossary dd{margin:0;color:var(--muted);font-size:.93rem;line-height:1.55}

.post-head{padding-top:56px}
.crumbs{font:500 .8rem/1 var(--mono);color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.crumbs span{margin:0 8px;opacity:.5}
.post-head h1,.page-head h1{font-size:clamp(2rem,4.4vw,3.05rem);line-height:1.1;letter-spacing:-.02em;margin:16px 0}
.dek{font-size:1.2rem;color:var(--ink2);margin:0 0 26px;line-height:1.55}
.byline{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.who{display:flex;align-items:center;gap:12px;line-height:1.35}
.who small,.author-box small{color:var(--muted)}
.byline .meta{margin-left:auto}
.ava{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;flex:none;
  font:700 .85rem/1 var(--sans);color:#0a0c16;
  background:linear-gradient(135deg,hsl(var(--h) 95% 68%),hsl(calc(var(--h) + 70) 90% 62%))}
.post-art{max-width:1000px;margin:36px auto 10px;padding:0 24px}
.post-art img{width:100%;border-radius:20px;border:1px solid var(--line);aspect-ratio:1200/630;object-fit:cover}
.post-art figcaption{font:500 .78rem/1.4 var(--mono);color:var(--muted);margin-top:10px;text-align:right}
.prose{font-size:1.08rem;color:var(--ink2);padding-top:18px;padding-bottom:10px}
.prose p{margin:0 0 1.15em}
.prose h2{color:var(--ink);font-size:1.5rem;line-height:1.25;letter-spacing:-.01em;margin:1.9em 0 .6em}
.prose h2::before{content:"";display:block;width:36px;height:3px;border-radius:3px;margin-bottom:14px;
  background:linear-gradient(90deg,var(--cyan),var(--pink))}
.prose strong,.prose em{color:var(--ink)}
.prose ul,.prose ol{padding-left:1.25em;margin:0 0 1.2em}
.prose li{margin:.45em 0}
.prose li::marker{color:var(--cyan)}
.prose a{border-bottom:1px solid rgba(59,232,255,.35)}
.prose a:hover{border-color:var(--cyan)}
.small-note{font-size:.92rem;color:var(--muted);border-left:3px solid var(--line2);padding-left:14px}
.post-foot{border-top:1px solid var(--line);margin-top:30px;padding-top:24px}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0 0 26px;padding:0}
.tags li{font:500 .8rem/1 var(--mono);color:var(--muted);padding:7px 11px;border-radius:8px;background:var(--bg2);border:1px solid var(--line)}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.author-box p{margin:6px 0 0;color:var(--muted);font-size:.95rem;line-height:1.6}

.page-head{padding-top:64px;padding-bottom:6px}
.note{background:linear-gradient(135deg,rgba(59,232,255,.08),rgba(141,107,255,.08));border:1px solid var(--line2);
  border-radius:var(--r);padding:22px 24px 8px;margin:8px 0 26px}
.note p{margin:0 0 .8em}
.email{font:600 1.15rem/1.4 var(--mono);color:var(--cyan);word-break:break-all;user-select:all}
.team{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin:4px 0 10px}
.member{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:18px}
.member strong{display:block;color:var(--ink);margin-top:12px}
.member>span:not(.ava){color:var(--muted);font-size:.88rem}
.member p{font-size:.92rem;margin:.6em 0 0;color:var(--ink2);line-height:1.6}
.archive-year{font:700 .9rem/1 var(--mono);letter-spacing:.14em;color:var(--pink);margin:48px 0 14px}
.archive-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.archive-list li{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.archive-list a{color:var(--ink);font-weight:600;font-size:1.12rem;line-height:1.35}
.archive-list a:hover{color:var(--cyan)}
.archive-list p{margin:6px 0 4px;color:var(--muted);font-size:.95rem;line-height:1.55}
.err{text-align:center;padding-top:48px}
.err img{margin:0 auto 26px;border-radius:20px;border:1px solid var(--line)}
.err .code{font:800 .9rem/1 var(--mono);letter-spacing:.3em;color:var(--pink);margin:0}
.err h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15;margin:14px 0}

.site-foot{margin-top:90px;border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(141,107,255,.05))}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding-top:44px;padding-bottom:30px}
.foot-grid p{color:var(--muted);font-size:.93rem;max-width:30rem;margin:12px 0 0}
.foot-grid h4{font:600 .75rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:8px 0 14px}
.foot-grid nav a{display:block;color:var(--ink2);font-size:.95rem;padding:3px 0}
.foot-grid nav a:hover{color:var(--cyan)}
.foot-note{border-top:1px solid var(--line);padding-top:18px;padding-bottom:30px;font-size:.82rem;color:var(--muted)}

@media (max-width:860px){
  .feature,.duo{grid-template-columns:1fr}
  .feature img{height:auto}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid>div:first-child{grid-column:1/-1}
  .hero-inner{padding:70px 24px 110px}
  .archive-list li{grid-template-columns:1fr;gap:4px}
}
@media (max-width:640px){
  body{font-size:16px}
  .head-inner{flex-direction:column;align-items:flex-start;gap:6px;padding-top:12px;padding-bottom:10px}
  .mainnav{width:100%;overflow-x:auto}
  .mainnav a{padding:6px 12px}
  .byline .meta{margin-left:0;width:100%}
  .feature .body{padding:24px}
  .grid{grid-template-columns:1fr}
  .sec-head{margin-top:48px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card,.feature{transition:none}
}