:root{
  --page:#020b14;--page2:#06111d;--panel:#071d2d;--panel2:#0a2538;
  --line:#1d4963;--line2:#12354c;--text:#eef7ff;--soft:#cddced;
  --muted:#9eb2c8;--ink:#15202b;--paper:#fbfcfd;--paper2:#f1f5f8;
  --cyan:#68e1ef;--mint:#8fe1b5;--lime:#a9df53;--yellow:#ffd56f;
  --coral:#ff9f87;--violet:#b58cf3;--danger:#b42318;--max:82rem;
  --reading:76ch;--radius:.95rem;--radius2:1.55rem;--shadow:0 28px 84px rgba(0,0,0,.28);
  --accent:var(--cyan)
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--page)}
body{margin:0;min-width:20rem;background:var(--page);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.66;text-rendering:optimizeLegibility}
a{color:inherit;text-underline-offset:.22em}
button{font:inherit}
:focus-visible{outline:.19rem solid var(--yellow);outline-offset:.2rem}
.inst-shell{width:min(calc(100% - 2rem),var(--max));margin-inline:auto}
.inst-skip{position:fixed;z-index:9999;left:.7rem;top:.7rem;transform:translateY(-180%);padding:.65rem .9rem;border-radius:.55rem;background:var(--text);color:var(--page);font-weight:800}.inst-skip:focus{transform:none}
.inst-header{position:sticky;z-index:1000;top:0;background:rgba(2,11,20,.94);border-bottom:1px solid var(--line2);backdrop-filter:blur(18px)}
.inst-header-inner{min-height:5.2rem;display:flex;align-items:center;gap:1rem}
.inst-brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--text);font-weight:900;letter-spacing:.1em;text-decoration:none}.inst-brand svg{width:2.1rem;color:var(--cyan)}.inst-brand small{display:block;margin-top:.25rem;color:var(--muted);font-size:.62rem;letter-spacing:.09em}
.inst-nav{margin-left:auto;display:flex;gap:.1rem;align-items:center}.inst-nav a{padding:.58rem .72rem;border-radius:.65rem;font-size:.79rem;font-weight:800;text-decoration:none}.inst-nav a:hover,.inst-nav a[aria-current=page]{background:var(--panel2)}
.inst-nav .inst-nav-cta{margin-left:.35rem;background:linear-gradient(90deg,var(--cyan),var(--lime));color:var(--page)}
.inst-nav-toggle{display:none;margin-left:auto;padding:.55rem .7rem;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:.65rem}
.inst-hero{position:relative;overflow:hidden;padding:clamp(4rem,8vw,7.2rem) 0 3.2rem;border-bottom:1px solid var(--line2);background:radial-gradient(circle at 86% 12%,color-mix(in srgb,var(--accent) 10%,transparent),transparent 28rem),var(--page)}
.inst-hero::after{content:"";position:absolute;right:-17rem;top:-7rem;width:46rem;height:46rem;border:1px solid color-mix(in srgb,var(--accent) 20%,transparent);border-radius:50%;box-shadow:0 0 0 7rem color-mix(in srgb,var(--accent) 2.8%,transparent),0 0 0 14rem rgba(181,140,243,.02);pointer-events:none}
.inst-crumbs{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:.42rem;margin:0 0 2.6rem;padding:0;list-style:none;color:var(--muted);font-size:.76rem}.inst-crumbs li:not(:last-child)::after{content:"/";margin-left:.42rem;color:var(--line)}
.inst-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(22rem,.88fr);gap:clamp(2rem,6vw,5rem);align-items:end}
.inst-kicker{margin:0 0 1rem;color:var(--accent);font-size:.73rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.inst-hero h1{max-width:17ch;margin:0;font-size:clamp(3rem,5.5vw,6rem);font-weight:430;letter-spacing:-.055em;line-height:.98}
.inst-deck{max-width:64ch;margin:1.45rem 0 0;color:var(--soft);font-size:clamp(1.04rem,1rem + .3vw,1.26rem)}
.inst-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.45rem}
.inst-button{display:inline-flex;min-height:3rem;align-items:center;justify-content:center;padding:.7rem 1rem;border:1px solid var(--line);border-radius:.72rem;background:var(--panel);color:var(--text);font-weight:850;text-decoration:none}.inst-button-primary{border-color:transparent;background:linear-gradient(90deg,var(--accent),var(--lime));color:var(--page)}
.inst-meta{padding:1.1rem;background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 8%,transparent),transparent 58%),var(--panel);border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:1.25rem;box-shadow:var(--shadow)}
.inst-meta h2{margin:0 0 .5rem;font-size:.96rem}.inst-meta dl{margin:0}.inst-meta dl div{display:grid;grid-template-columns:7.4rem 1fr;gap:.75rem;padding:.68rem 0;border-top:1px solid var(--line2)}.inst-meta dt{color:var(--muted);font-size:.62rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase}.inst-meta dd{margin:0;color:var(--soft);font-size:.77rem;line-height:1.48}
.inst-subnav{position:sticky;z-index:700;top:5.2rem;background:rgba(2,11,20,.95);border-bottom:1px solid var(--line2);backdrop-filter:blur(14px)}.inst-subnav .inst-shell{display:flex;gap:.2rem;overflow-x:auto;padding:.62rem 0;scrollbar-width:none}.inst-subnav a{flex:0 0 auto;padding:.45rem .6rem;border-radius:.5rem;color:var(--soft);font-size:.71rem;font-weight:800;text-decoration:none}.inst-subnav a:hover{background:var(--panel2)}
.inst-section{padding:clamp(3.8rem,7vw,6.5rem) 0;border-bottom:1px solid var(--line2)}
.inst-section-head{display:grid;grid-template-columns:minmax(10rem,.28fr) minmax(0,.72fr);gap:clamp(1.5rem,5vw,5rem);margin-bottom:2rem}.inst-label{color:var(--accent);font-size:.69rem;font-weight:900;letter-spacing:.11em;text-transform:uppercase}.inst-section h2{max-width:22ch;margin:0;font-size:clamp(2rem,4vw,4rem);font-weight:440;letter-spacing:-.045em;line-height:1.05}.inst-section-intro{max-width:var(--reading);margin:.9rem 0 0;color:var(--soft)}
.inst-paper-wrap{background:linear-gradient(180deg,var(--paper2),var(--paper));color:var(--ink)}
.inst-paper{width:min(calc(100% - 2rem),64rem);margin-inline:auto;padding:clamp(2rem,5vw,4.5rem);background:var(--paper);border:1px solid #d8e1e8;border-radius:var(--radius2);box-shadow:0 26px 70px rgba(0,0,0,.22)}
.inst-paper h2,.inst-paper h3{color:#0c1721}.inst-paper p,.inst-paper li{color:#344054}.inst-paper a{color:#035b72}.inst-paper .inst-rule{border-color:#cfd9e1;background:#f8fafc}.inst-paper .inst-table{color:#243240}.inst-paper .inst-table th{background:#e8eff4;color:#14212d}.inst-paper .inst-table td{background:#fff;color:#344054;border-color:#d6e0e7}
.inst-doc-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-bottom:2rem;padding-bottom:1.2rem;border-bottom:2px solid #dce5eb}.inst-doc-head h2{margin:0;font-size:clamp(1.8rem,3vw,2.7rem)}.inst-doc-stamp{display:grid;gap:.18rem;color:#475467;font-size:.78rem;text-align:right}
.inst-toc{padding:1rem 1.15rem;background:#eef4f7;border-left:.3rem solid var(--accent);border-radius:0 .7rem .7rem 0}.inst-toc strong{color:#182530}.inst-toc ol{columns:2;gap:2rem;margin:.7rem 0 0;padding-left:1.25rem}.inst-toc a{font-size:.82rem}
.inst-clause{padding:1.65rem 0;border-top:1px solid #d7e0e7}.inst-clause h3{margin:0 0 .7rem;font-size:1.35rem}.inst-clause p{max-width:74ch;margin:.6rem 0}.inst-clause ul{max-width:74ch}.inst-clause li+li{margin-top:.4rem}
.inst-callout{padding:1rem 1.1rem;border:1px solid var(--line);border-left:.3rem solid var(--accent);border-radius:0 .8rem .8rem 0;background:color-mix(in srgb,var(--accent) 5%,var(--panel));color:var(--soft)}.inst-paper .inst-callout{border-color:#cad7df;background:#f4f8fa;color:#344054}
.inst-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}.inst-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.inst-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.inst-card{min-width:0;padding:1rem;background:var(--panel);border:1px solid var(--line);border-top:.22rem solid var(--card-accent,var(--accent));border-radius:0 0 var(--radius) var(--radius)}.inst-card:nth-child(2n){--card-accent:var(--mint)}.inst-card:nth-child(3n){--card-accent:var(--yellow)}.inst-card:nth-child(4n){--card-accent:var(--violet)}.inst-card small{color:var(--card-accent);font-size:.65rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.inst-card h3{margin:.55rem 0 .35rem;font-size:1.03rem}.inst-card p{margin:0;color:var(--soft);font-size:.79rem}.inst-card ul{margin:.65rem 0 0;padding-left:1rem;color:var(--soft);font-size:.77rem}
.inst-route-card{display:flex;min-height:11rem;flex-direction:column;text-decoration:none}.inst-route-card b{margin-top:auto;color:var(--card-accent);font-size:.72rem}
.inst-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}.inst-fact{display:grid;grid-template-columns:9rem 1fr;gap:.7rem;padding:.85rem 0;border-top:1px solid var(--line)}.inst-fact strong{color:var(--muted);font-size:.69rem;text-transform:uppercase;letter-spacing:.06em}.inst-fact span{color:var(--soft)}
.inst-table-wrap{overflow-x:auto}.inst-table{width:100%;border-collapse:collapse;font-size:.79rem}.inst-table caption{padding:0 0 .6rem;color:var(--muted);text-align:left}.inst-table th,.inst-table td{min-width:9rem;padding:.72rem;border:1px solid var(--line);text-align:left;vertical-align:top}.inst-table th{background:var(--panel2);color:var(--text)}.inst-table td{color:var(--soft)}
.inst-timeline{position:relative;display:grid;gap:.75rem}.inst-timeline::before{content:"";position:absolute;left:1rem;top:1rem;bottom:1rem;width:1px;background:var(--line)}.inst-timeline article{position:relative;padding:1rem 1rem 1rem 3rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.inst-timeline article::before{content:"";position:absolute;left:.64rem;top:1.1rem;width:.72rem;height:.72rem;background:var(--accent);border-radius:50%;box-shadow:0 0 0 .35rem var(--page)}.inst-timeline h3{margin:0}.inst-timeline p{margin:.4rem 0 0;color:var(--soft)}
.inst-standard{padding:1.1rem;background:var(--panel);border:1px solid var(--line);border-left:.28rem solid var(--accent);border-radius:0 var(--radius) var(--radius) 0}.inst-standard h3{margin:0 0 .45rem}.inst-standard p{margin:.35rem 0;color:var(--soft)}.inst-standard ul{color:var(--soft)}
.inst-source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.inst-source{padding:1rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.inst-source small{color:var(--accent);font-size:.65rem;font-weight:900;text-transform:uppercase}.inst-source strong{display:block;margin:.55rem 0}.inst-source p{margin:0;color:var(--soft);font-size:.76rem}.inst-source a{display:inline-block;margin-top:.7rem;color:var(--accent);font-weight:850;font-size:.74rem}
.inst-footer{padding:3rem 0;background:#01070d;border-top:1px solid var(--line2)}.inst-footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,.7fr);gap:2rem}.inst-footer h2{margin:0 0 .6rem;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.inst-footer ul{margin:0;padding:0;list-style:none}.inst-footer li+li{margin-top:.35rem}.inst-footer a{color:var(--soft);font-size:.78rem;text-decoration:none}.inst-footer p{max-width:38rem;color:var(--soft);font-size:.78rem}
.inst-note{font-size:.78rem;color:var(--muted)}
.inst-print{display:inline-flex;align-items:center;padding:.55rem .7rem;border:1px solid #aebdc8;border-radius:.55rem;background:#fff;color:#22313d;font-weight:750;cursor:pointer}
@media(max-width:70rem){.inst-hero-grid{grid-template-columns:1fr}.inst-grid,.inst-grid-4,.inst-source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.inst-facts{grid-template-columns:1fr}}
@media(max-width:54rem){.inst-nav-toggle{display:block}.inst-nav{position:fixed;inset:5.2rem 0 auto;display:none;flex-direction:column;align-items:stretch;padding:1rem;background:var(--page);border-bottom:1px solid var(--line)}.inst-nav[data-open=true]{display:flex}.inst-nav .inst-nav-cta{margin:.4rem 0 0}.inst-section-head{grid-template-columns:1fr}.inst-grid,.inst-grid-2,.inst-grid-4,.inst-source-grid{grid-template-columns:1fr}.inst-fact{grid-template-columns:1fr;gap:.2rem}.inst-toc ol{columns:1}.inst-footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:38rem){.inst-shell{width:min(calc(100% - 1.2rem),var(--max))}.inst-hero{padding-top:3rem}.inst-hero h1{font-size:clamp(2.7rem,14vw,4.2rem)}.inst-actions{display:grid}.inst-button{width:100%}.inst-paper{width:min(calc(100% - 1rem),64rem);padding:1.25rem}.inst-footer-grid{grid-template-columns:1fr}.inst-doc-head{display:block}.inst-doc-stamp{text-align:left;margin-top:1rem}}
@media print{
  .inst-header,.inst-subnav,.inst-footer,.inst-actions,.inst-print{display:none!important}
  body{background:#fff;color:#111}
  .inst-hero{padding:1.5rem 0;background:#fff;color:#111;border:none}
  .inst-hero::after{display:none}
  .inst-hero h1,.inst-deck,.inst-kicker{color:#111}
  .inst-meta{box-shadow:none;border:1px solid #aaa;background:#fff;color:#111}
  .inst-meta dd,.inst-meta dt{color:#222}
  .inst-paper{box-shadow:none;border:0;width:100%;padding:0}
  .inst-paper-wrap{background:#fff}
  a{color:#111;text-decoration:none}
}