:root{
  --paper:#F4F6F3;--white:#fff;--ink:#12182B;--ink2:#565F70;--muted:#8890A0;
  --teal:#1E8A80;--teal2:#146059;--amber:#E2A63B;--line:#DCE1DE;--line2:#BEC6C2;
  --max:1180px;--side:clamp(18px,4vw,48px);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(var(--max),calc(100% - var(--side)*2));margin-inline:auto}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
header{position:sticky;top:0;z-index:80;background:rgba(244,246,243,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,225,222,.95)}
.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;font:700 19px var(--kl-font-display)}.brand img{width:33px;height:33px}.links{display:flex;gap:22px;align-items:center;font-size:13px;color:var(--ink2)}.links a{padding:23px 0 21px;border-bottom:2px solid transparent}.links a:hover{color:var(--ink)}.links a.active{color:var(--teal2);border-bottom-color:var(--amber)}
.page-hero{position:relative;padding:clamp(72px,10vw,136px) 0 clamp(58px,8vw,92px);border-bottom:1px solid var(--line2);overflow:hidden}.arch-mark{position:absolute;right:-.04em;top:46%;transform:translateY(-50%);font:700 clamp(180px,30vw,420px)/.8 var(--kl-font-display);letter-spacing:-.08em;color:var(--ink);opacity:.022;pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:clamp(36px,7vw,96px);align-items:end}.eyebrow,.kicker{font:600 10px var(--kl-font-mono);letter-spacing:.11em;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--teal2);margin-bottom:20px}.eyebrow:before{content:"";width:22px;height:1px;background:var(--amber)}.page-hero h1{margin:0;font:700 clamp(56px,8.5vw,112px)/.9 var(--kl-font-display);letter-spacing:-.065em;max-width:9ch}.page-hero h1 span{color:var(--teal2)}.hero-copy p{margin:0;color:var(--ink2);font-size:clamp(16px,1.5vw,20px);line-height:1.72;max-width:40ch}.hero-copy p strong{color:var(--ink);font-weight:600}.hero-meta{margin-top:26px;padding-top:17px;border-top:1px solid var(--line);font:500 10px/1.6 var(--kl-font-mono);color:var(--muted)}
.section{padding:clamp(64px,8vw,108px) 0;border-bottom:1px solid var(--line)}.section-head{display:grid;grid-template-columns:170px minmax(0,1fr);gap:36px;margin-bottom:clamp(34px,5vw,60px)}.kicker{color:var(--muted)}.section-head h2{margin:0;font:700 clamp(38px,5vw,66px)/.98 var(--kl-font-display);letter-spacing:-.045em;max-width:16ch}
.editorial-rows{border-top:1px solid var(--line2)}.editorial-row{display:grid;grid-template-columns:52px minmax(0,.8fr) minmax(260px,1.2fr);gap:24px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start}.row-no{font:600 10px var(--kl-font-mono);color:var(--amber);padding-top:5px}.editorial-row h3{margin:0;font:700 clamp(25px,3vw,40px)/1 var(--kl-font-display);letter-spacing:-.035em}.editorial-row p{margin:0;color:var(--ink2);font-size:14px;line-height:1.7;max-width:60ch}
.two-col{display:grid;grid-template-columns:minmax(0,.88fr) minmax(320px,1.12fr);gap:clamp(40px,7vw,90px);align-items:start}.prose p{margin:0 0 18px;color:var(--ink2);font-size:clamp(15px,1.3vw,18px);line-height:1.76;max-width:62ch}.prose strong{color:var(--ink)}.definition-list{border-top:1px solid var(--line2)}.definition-row{display:grid;grid-template-columns:140px 1fr;gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}.definition-row b{font:600 10px var(--kl-font-mono);color:var(--teal2)}.definition-row span{font-size:14px;color:var(--ink2);line-height:1.6}
.notice{margin-top:28px;padding-top:20px;border-top:1px dashed var(--line2);font-size:13px;line-height:1.68;color:var(--muted)}.notice b{color:var(--ink2)}
.cta-band{background:var(--ink);color:#fff;border-bottom:0}.cta-band .kicker{color:var(--amber)}.cta-band .section-head h2{color:#fff}.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:end}.cta-grid p{margin:0;color:#BBC3D3;line-height:1.7;max-width:64ch}.text-action{display:inline-flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid #5B647A;font:600 11px var(--kl-font-mono);white-space:nowrap}.text-action:hover{border-color:var(--amber);color:var(--amber)}
.resource-list{border-top:1px solid var(--line2)}.resource-row{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:22px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:background .18s ease}.resource-row:hover{background:rgba(255,255,255,.45)}.resource-row .rn{font:600 10px var(--kl-font-mono);color:var(--amber)}.resource-row h3{margin:0 0 4px;font:700 clamp(20px,2.2vw,30px)/1.08 var(--kl-font-display);letter-spacing:-.025em}.resource-row p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.resource-row .ra{font:600 10px var(--kl-font-mono);color:var(--teal2);white-space:nowrap;border-bottom:1px solid var(--line2);padding-bottom:2px}.resource-row:hover .ra{border-color:var(--teal2)}
footer{border-top:1px solid var(--line)}.foot{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px;font:500 9px var(--kl-font-mono);color:var(--muted)}.foot-brand{display:flex;align-items:center;gap:8px;color:var(--ink)}.foot-brand img{width:25px;height:25px}.foot-brand b{font:700 12px var(--kl-font-display)}
#mobileNavToggle{position:fixed;opacity:0;pointer-events:none}.mobile-nav-trigger,.mobile-drawer,.mobile-drawer-scrim{display:none}
@media(max-width:900px){.links{display:none}.mobile-nav-trigger{display:flex;align-items:center;gap:8px;min-height:40px;padding:0 12px;border:1px solid rgba(18,24,43,.10);border-radius:999px;background:rgba(255,255,255,.30);font:600 9px var(--kl-font-mono);letter-spacing:.06em;cursor:pointer}.mobile-nav-trigger .bars{width:15px;height:12px;position:relative}.mobile-nav-trigger .bars:before,.mobile-nav-trigger .bars:after{content:"";position:absolute;left:0;width:15px;height:1.5px;background:currentColor}.mobile-nav-trigger .bars:before{top:2px}.mobile-nav-trigger .bars:after{bottom:2px}.mobile-drawer-scrim{display:block;position:fixed;inset:0;z-index:198;background:rgba(18,24,43,.10);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.22s ease}.mobile-drawer{display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:200;width:min(88vw,380px);background:rgba(244,246,243,.88);backdrop-filter:blur(22px);border-right:1px solid rgba(18,24,43,.08);transform:translateX(-103%);transition:transform .28s cubic-bezier(.22,.72,.18,1);overflow:auto}.drawer-top{min-height:76px;padding:0 20px 0 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(18,24,43,.10)}.drawer-brand{display:flex;align-items:center;gap:10px;font:700 18px var(--kl-font-display)}.drawer-brand img{width:32px;height:32px}.drawer-close{width:40px;height:40px;display:grid;place-items:center;border:1px solid rgba(18,24,43,.10);border-radius:999px;background:rgba(255,255,255,.30);font-size:25px;cursor:pointer}.drawer-context{padding:22px;border-bottom:1px solid rgba(18,24,43,.10)}.drawer-context .ey{font:600 8px var(--kl-font-mono);letter-spacing:.11em;color:var(--amber)}.drawer-context strong{display:block;margin-top:7px;font:700 20px/1.15 var(--kl-font-display)}.drawer-nav{padding:8px 0}.drawer-link{min-height:68px;padding:12px 22px;display:grid;grid-template-columns:32px minmax(0,1fr) 18px;gap:9px;align-items:center;border-bottom:1px solid rgba(18,24,43,.10)}.drawer-link .dn{font:600 9px var(--kl-font-mono);color:var(--amber)}.drawer-link .dt{font:700 20px/1.05 var(--kl-font-display);letter-spacing:-.03em}.drawer-link .da{font:500 15px var(--kl-font-mono);color:var(--muted)}#mobileNavToggle:checked~.mobile-drawer-scrim{opacity:1;visibility:visible}#mobileNavToggle:checked~.mobile-drawer{transform:translateX(0)}.hero-grid,.two-col{grid-template-columns:1fr}.section-head{grid-template-columns:1fr;gap:12px}.editorial-row{grid-template-columns:34px minmax(0,1fr)}.editorial-row p{grid-column:2}.cta-grid{grid-template-columns:1fr}.resource-row{grid-template-columns:34px minmax(0,1fr)}.resource-row .ra{grid-column:2;justify-self:start}.arch-mark{right:-.2em}}
@media(max-width:560px){.nav{min-height:64px}.page-hero{padding:56px 0 58px}.page-hero h1{font-size:clamp(52px,16vw,76px)}.section{padding:56px 0}.definition-row{grid-template-columns:1fr;gap:6px}.foot>span:last-child{text-align:right}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.mobile-drawer,.mobile-drawer-scrim,.resource-row{transition:none!important}}