:root{
  --bg:#080a0d;
  --panel:#0e1218;
  --panel-2:#111722;
  --line:#1b2330;
  --line-soft:#151c26;
  --ink:#e9eef4;
  --muted:#9aa8b7;
  --dim:#6c7a89;
  --accent:#5ef2c8;
  --accent-2:#7aa2ff;
  --warn:#ffd166;
  --radius:14px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --max:1120px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16.5px;line-height:1.72;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.015em;margin:0 0 .5em}
p{margin:0 0 1.1em}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;background:var(--accent);color:#04110c;padding:8px 14px;border-radius:8px;z-index:99}
.nav{position:sticky;top:0;z-index:50;background:rgba(8,10,13,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px}
.brand{font-family:var(--mono);font-size:15px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink)}
.brand span{color:var(--accent)}
.nav-links{display:flex;gap:22px;font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--ink);text-decoration:none}
@media(max-width:760px){.nav-links{display:none}}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft);padding:88px 0 68px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 16% -12%,rgba(94,242,200,.11),transparent 62%),radial-gradient(720px 360px at 88% -4%,rgba(122,162,255,.11),transparent 62%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:64px 64px;opacity:.4;-webkit-mask-image:radial-gradient(620px 320px at 28% 18%,#000,transparent 78%);mask-image:radial-gradient(620px 320px at 28% 18%,#000,transparent 78%);pointer-events:none}
.hero-in{position:relative;z-index:1;max-width:820px}
.kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin:0 0 18px}
h1{font-size:clamp(2.05rem,5.2vw,3.5rem);line-height:1.05;font-weight:700}
.lede{font-size:clamp(1.02rem,2.2vw,1.22rem);color:var(--muted);max-width:62ch;margin:18px 0 30px}
.btnrow{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);color:var(--ink);background:var(--panel)}
.btn:hover{border-color:var(--accent);text-decoration:none}
.btn-primary{background:var(--accent);color:#04140f;border-color:var(--accent);font-weight:700}
.btn-primary:hover{background:#7cf7d6;color:#04140f}
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);margin-top:56px}
.strip div{background:var(--bg);padding:20px 18px}
.strip b{display:block;font-family:var(--mono);font-size:1.35rem;color:var(--accent);letter-spacing:-.02em}
.strip small{color:var(--dim);font-size:12.5px;line-height:1.4;display:block;margin-top:4px}
@media(max-width:760px){.strip{grid-template-columns:repeat(2,1fr)}}
section{padding:72px 0}
.section-head{max-width:680px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.5rem,3.4vw,2.1rem)}
.section-head p{color:var(--muted);margin:0}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--dim);margin:0 0 12px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:border-color .18s ease,transform .18s ease}
.card:hover{border-color:#2b3a4d;transform:translateY(-2px)}
.card .tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-2);margin-bottom:14px}
.card h3{font-size:1.16rem;margin-bottom:10px}
.card h3 a{color:var(--ink)}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.card .more{margin-top:auto;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.method{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:760px){.method{grid-template-columns:1fr}}
.method-item{border-left:2px solid var(--accent);padding:4px 0 4px 18px}
.method-item h3{font-size:1.02rem}
.method-item p{color:var(--muted);font-size:14.5px;margin:0}
table{width:100%;border-collapse:collapse;font-size:14.5px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line-soft);vertical-align:top}
th{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#a7b5c4;font-weight:500;background:var(--panel-2)}
tr:last-child td{border-bottom:0}
.badge{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;padding:3px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.badge.high{color:var(--accent);border-color:rgba(94,242,200,.35)}
.badge.mid{color:var(--warn);border-color:rgba(255,209,102,.35)}
.badge.low{color:var(--accent-2);border-color:rgba(122,162,255,.35)}
.callout{background:var(--panel);border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:10px;padding:20px 22px;margin:28px 0}
.callout h3{font-size:1rem;margin-bottom:10px}
.callout ul{margin:0;padding-left:18px;color:var(--muted);font-size:14.5px}
.callout li{margin-bottom:6px}
/* article */
.art-head{padding:64px 0 34px;border-bottom:1px solid var(--line-soft);position:relative}
.crumb{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:18px}
.crumb a{color:var(--dim)}
.crumb a:hover{color:var(--accent)}
.art-head h1{font-size:clamp(1.85rem,4.3vw,2.9rem);max-width:22ch}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-top:22px}
.prose{max-width:74ch;padding:56px 0 24px}
.prose h2{font-size:clamp(1.28rem,2.6vw,1.6rem);margin-top:2.2em;padding-top:.2em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.08rem;margin-top:1.9em;color:var(--ink)}
.prose p,.prose li{color:#cfd9e3}
.prose strong{color:#fff}
.prose ul,.prose ol{padding-left:20px;margin:0 0 1.2em}
.prose li{margin-bottom:.5em}
.prose blockquote{margin:1.6em 0;padding:2px 0 2px 20px;border-left:2px solid var(--accent-2);color:var(--muted);font-style:italic}
.prose table{margin:1.6em 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.prose th,.prose td{padding:11px 14px}
.related{border-top:1px solid var(--line-soft);padding:56px 0 72px}
.related h2{font-size:1.2rem;margin-bottom:22px}
.cta{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:16px;padding:38px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.cta h2{font-size:1.35rem;margin:0 0 6px}
.cta p{color:var(--muted);margin:0;font-size:14.5px;max-width:52ch}
footer{border-top:1px solid var(--line-soft);padding:46px 0 60px;color:var(--dim);font-size:13.5px}
.foot-in{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-start}
.foot-links{display:flex;flex-wrap:wrap;gap:18px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.foot-links a{color:var(--muted)}
.foot-links a:hover{color:var(--accent)}
.small{font-size:13px;color:var(--dim)}
.nowrap{white-space:nowrap}