:root{
  color-scheme:dark;
  --bg:#07100c;
  --panel:#0d1712;
  --panel-2:#101d16;
  --line:#263b30;
  --muted:#93a79b;
  --text:#edf7f0;
  --mint:#61f0a7;
  --mint-soft:#b8f8d5;
  --amber:#ffd27d;
  --shadow:0 18px 54px rgba(0,0,0,.24);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 80% -10%,rgba(97,240,167,.08),transparent 30%),var(--bg);color:var(--text)}
a{color:inherit}
.shell{width:min(1160px,calc(100% - 32px));margin:auto}
.topbar{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(7,16,12,.88);border-bottom:1px solid rgba(255,255,255,.07)}
.topbar .shell{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{font-weight:900;letter-spacing:-.04em;text-decoration:none;font-size:19px}.brand b{color:var(--mint)}
.nav{display:flex;align-items:center;gap:10px}.nav a{color:var(--muted);text-decoration:none;font-weight:700;font-size:14px;padding:9px 11px;border-radius:9px}.nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav .cta{background:var(--mint);color:#051009}.nav .cta:hover{color:#051009;background:#7df5b7}
.hero{padding:78px 0 38px}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:20px}.crumbs a{text-decoration:none}.crumbs span{opacity:.55}
.eyebrow{font:800 12px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;color:var(--mint);text-transform:uppercase}
h1{font-size:clamp(40px,6vw,72px);line-height:1.02;letter-spacing:-.055em;max-width:980px;margin:14px 0 20px}
.lead{max-width:850px;font-size:clamp(18px,2.2vw,24px);line-height:1.55;color:#dce9e1;margin:0}
.answer{margin-top:30px;max-width:940px;border:1px solid #355943;border-radius:18px;background:linear-gradient(145deg,rgba(97,240,167,.1),rgba(97,240,167,.025));padding:24px 26px;box-shadow:var(--shadow)}
.answer small{display:block;color:var(--mint);font-weight:900;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.answer p{font-size:19px;line-height:1.7;margin:0}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:30px;padding:20px 0 72px}
.article{min-width:0}.section{padding:28px 0;border-top:1px solid var(--line)}.section:first-child{border-top:0}
h2{font-size:28px;line-height:1.15;letter-spacing:-.035em;margin:0 0 15px}
.section p{color:#c7d6cc;font-size:16px;line-height:1.78;margin:0 0 15px}
.checklist{display:grid;gap:9px;margin:18px 0 0;padding:0;list-style:none}.checklist li{display:flex;gap:11px;align-items:flex-start;color:#dce8e0;line-height:1.55}.checklist li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(97,240,167,.09);margin-top:.47em;flex:0 0 auto}
.sidebar{position:relative}.sticky{position:sticky;top:92px;display:grid;gap:14px}
.card{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:18px}.card h3{font-size:16px;margin:0 0 12px}.card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 12px}
.evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.metric{border:1px solid #23372d;background:#09130e;border-radius:10px;padding:10px}.metric span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}.metric b{font-size:14px}
.mono{font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all;color:#b8c9be}
.button{display:flex;justify-content:center;align-items:center;gap:8px;text-decoration:none;border-radius:10px;padding:12px 14px;font-weight:850;font-size:14px}.button.primary{background:var(--mint);color:#051009}.button.secondary{border:1px solid #365342;color:#dce8e0}
.note{border-left:3px solid var(--amber);background:#16150d;color:#e9dfc6;padding:15px 17px;border-radius:0 10px 10px 0;line-height:1.6}
.sources{display:grid;gap:8px}.sources a{display:block;color:var(--mint-soft);text-decoration:none;font-size:14px;line-height:1.5}.sources a:hover{text-decoration:underline}
.related{padding:42px 0 80px;border-top:1px solid var(--line)}.related h2{margin-bottom:18px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-card{display:block;text-decoration:none;border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:18px;min-height:145px}.related-card:hover{border-color:#3d684f;transform:translateY(-1px)}.related-card small{color:var(--mint);font-weight:800}.related-card strong{display:block;margin-top:10px;font-size:17px;line-height:1.35}.related-card span{display:block;color:var(--muted);font-size:12px;margin-top:10px}
.catalog-hero{padding:78px 0 28px}.catalog-intro{max-width:800px;color:#c7d6cc;font-size:18px;line-height:1.7}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 30px}.chip{border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#c5d3ca;font-size:12px}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding-bottom:76px}.guide-card{display:block;text-decoration:none;border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:21px;min-height:210px}.guide-card:hover{border-color:#426b53;background:var(--panel-2)}.guide-card small{color:var(--mint);font-weight:850;text-transform:uppercase;letter-spacing:.08em}.guide-card h2{font-size:23px;margin:12px 0}.guide-card p{color:var(--muted);line-height:1.65;margin:0}.guide-card footer{margin-top:18px;color:#c8d7cd;font-size:12px}
.footer{border-top:1px solid var(--line);padding:34px 0 48px;color:var(--muted);font-size:12px}.footer .shell{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:860px){.layout{grid-template-columns:1fr}.sticky{position:static}.related-grid,.guide-grid{grid-template-columns:1fr}.nav a:not(.cta){display:none}}
@media(max-width:560px){.shell{width:min(100% - 22px,1160px)}.hero,.catalog-hero{padding-top:48px}h1{font-size:40px}.answer{padding:19px}.answer p{font-size:17px}.evidence-grid{grid-template-columns:1fr}.topbar .shell{min-height:60px}}