:root{--base:#0b0b0d;--surf:#1a1b20;--text:#f5f5f5;--acc:#dc2626;--sec:#c0c4cc;--line:#2e3038;--hf:'Arial Narrow','Helvetica Neue',Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--base);color:var(--text);font:1rem/1.7 system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;overflow-wrap:anywhere;hyphens:auto}
[hidden]{display:none!important}
img{max-width:100%;height:auto;display:block;border-radius:4px}
a{color:var(--text);text-decoration-color:var(--acc);text-decoration-thickness:2px;text-underline-offset:.2em}
a:hover{text-decoration-color:#fff}
:focus-visible{outline:3px solid #fff;outline-offset:3px}
p,li,dd{margin:0 0 1rem}
ul,ol{padding-left:1.3rem;margin:0 0 1.2rem}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem;background:#000;padding:.1rem .35rem;border-radius:4px;color:#f5f5f5;overflow-wrap:anywhere}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:.8rem 1rem;z-index:20;border-radius:4px}
.skip:focus{left:1rem;top:1rem}
h1,h2,h3{font-family:var(--hf);text-transform:uppercase;letter-spacing:.14em;line-height:1.25;font-weight:700;margin:0 0 1rem;overflow-wrap:anywhere;hyphens:auto}
h1{font-size:clamp(1.65rem,4.4vw,3rem);letter-spacing:.12em}
h2{font-size:clamp(1.25rem,2.8vw,1.7rem);margin-top:0}
h3{font-size:1.05rem;letter-spacing:.1em;margin-top:1.6rem}
.kicker{font:700 .875rem var(--hf);letter-spacing:.2em;text-transform:uppercase;color:var(--sec);margin:0 0 .8rem}
.lead{font-size:1.125rem;color:#e6e8ec}
.wrap{max-width:72rem;margin:0 auto;padding:0 1rem}
.col{max-width:42rem;margin:0 auto;padding:0 1rem}
/* header */
.site-header{background:var(--base);border-bottom:1px solid var(--line)}
.hdr{max-width:84rem;margin:0 auto;padding:.6rem 1rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem}
.brand{display:flex;align-items:center;gap:.6rem;flex:1 1 0;min-width:0;color:var(--text);text-decoration:none;font:700 .95rem var(--hf);letter-spacing:.06em;min-height:44px}
.brand svg{flex:none}
.menu-toggle{display:none}
.js .menu-toggle{display:inline-flex}
#menu{flex:1 0 100%;order:4;max-height:calc(100vh - 5.5rem);overflow-y:auto}
#menu ul{list-style:none;margin:0;padding:0}
#menu li{margin:0}
#menu a:not(.btn){display:flex;align-items:center;min-height:44px;padding:.3rem 0;text-decoration:none;font:600 1rem var(--hf);letter-spacing:.04em;border-bottom:1px solid var(--line)}
#menu a[aria-current=page]{box-shadow:inset 0 -3px 0 var(--acc)}
#menu .btn{margin:1rem 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.6rem 1.3rem;border:0;border-radius:999px;background:var(--acc);color:#fff;font:700 .95rem var(--hf);letter-spacing:.05em;text-decoration:none;cursor:pointer;text-align:center;transition:background .2s}
.btn:hover{background:#b91c1c}
.btn.alt{background:#2e3038}
.btn.alt:hover{background:#3c3f4a}
@media(min-width:1180px){
.js .menu-toggle{display:none}
.hdr{flex-wrap:nowrap;justify-content:center;gap:1.1rem}
.brand{flex:none}
#menu{display:contents}
#menu ul{display:flex;align-items:center;gap:.15rem}
.nav-left{order:1}.brand{order:2}.nav-right{order:3}
#menu a:not(.btn){border:0;padding:.3rem .6rem;font-size:.9rem}
#menu .btn{margin:0 0 0 .5rem;padding:.55rem 1.1rem;font-size:.9rem}
}
/* hero */
.hero{padding:3rem 0 4rem;background:radial-gradient(ellipse at 80% 20%,#23252d 0,var(--base) 60%)}
.hero-grid{display:grid;gap:2.5rem;align-items:center}
.hero-grid>*{min-width:0}
@media(min-width:860px){.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}}
.hero-imgs{position:relative;aspect-ratio:1/1;width:100%;max-width:34rem;margin:0 auto}
.hero-imgs img{position:absolute;width:62%;height:auto;aspect-ratio:4/3;object-fit:cover;box-shadow:0 22px 44px rgba(0,0,0,.85),0 4px 10px rgba(0,0,0,.7)}
.hero-imgs .i1{top:0;left:0;z-index:1}
.hero-imgs .i2{top:24%;left:38%;z-index:2}
.hero-imgs .i3{top:52%;left:6%;z-index:3}
/* bands and panels */
.band{padding:3rem 0}
.band.alt{background:var(--surf);clip-path:polygon(0 2.5rem,100% 0,100% calc(100% - 2.5rem),0 100%);padding:6rem 0}
.panel{background:#202228;border-radius:4px;border-left:4px solid var(--acc);padding:1.1rem 1.4rem;margin:1.5rem 0}
@supports((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.panel{background:rgba(255,255,255,.07);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}}
.panel>:last-child{margin-bottom:0}
.breakout{max-width:72rem;margin:1.5rem auto;padding:0 1rem}
.breakout img{width:100%;aspect-ratio:21/9;object-fit:cover;box-shadow:0 24px 50px rgba(0,0,0,.8)}
figcaption{color:var(--sec);font-size:.875rem;margin-top:.6rem}
.crumbs{padding-top:1.5rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:0 0 1.5rem;font-size:.9rem;color:var(--sec)}
.crumbs li{margin:0}
.crumbs li+li::before{content:"\203A";margin-right:.4rem}
.crumbs a{color:var(--sec)}
/* layers diagram */
.layers{list-style:none;padding:0;margin:1.5rem 0 .5rem;display:grid;gap:.6rem;counter-reset:l}
.layers li{margin:0;display:grid;gap:.4rem 1.2rem;padding:.9rem 1.1rem;border-radius:4px;background:#14151a;border-left:4px solid var(--acc);counter-increment:l}
.layers li:nth-child(2){margin-left:1rem}.layers li:nth-child(3){margin-left:2rem}.layers li:nth-child(4){margin-left:3rem}
@media(min-width:640px){.layers li{grid-template-columns:minmax(0,12rem) minmax(0,1fr)}}
.layers b{font:700 1rem var(--hf);letter-spacing:.14em;text-transform:uppercase}
.layers b::before{content:counter(l) "  ";color:var(--sec)}
.layers span{color:#e1e3e8}
/* steps */
ol.steps{list-style:none;padding:0;counter-reset:s}
ol.steps li{counter-increment:s;position:relative;padding-left:3rem;min-height:2.2rem}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2.1rem;height:2.1rem;border-radius:999px;background:var(--acc);color:#fff;font:700 1rem/2.1rem var(--hf);text-align:center}
ul.points{list-style:none;padding:0}
ul.points li{padding-left:1.3rem;position:relative}
ul.points li::before{content:"";position:absolute;left:0;top:.7em;width:.6rem;height:.2rem;background:var(--acc)}
dl{margin:0 0 1.2rem}
dt{font:700 1rem var(--hf);letter-spacing:.1em;text-transform:uppercase;margin-top:1rem}
dd{margin-left:0;color:#e1e3e8}
/* tables */
.tw{overflow-x:auto;margin:1.2rem 0}
table{border-collapse:collapse;width:100%;min-width:34rem;font-size:.9375rem}
caption{text-align:left;font:700 .9rem var(--hf);letter-spacing:.12em;text-transform:uppercase;color:var(--sec);padding-bottom:.6rem}
th,td{text-align:left;vertical-align:top;padding:.7rem .8rem;border-bottom:1px solid var(--line)}
thead th{border-bottom:2px solid var(--acc);font-family:var(--hf);letter-spacing:.08em;text-transform:uppercase;font-size:.875rem}
tbody th{font-weight:700}
/* details */
details{border:1px solid var(--line);border-radius:4px;background:#14151a;margin:.8rem 0}
summary{min-height:44px;padding:.7rem 1rem;cursor:pointer;font:700 1rem var(--hf);letter-spacing:.06em;display:flex;align-items:center}
summary::marker{color:var(--acc)}
details>div{padding:0 1rem .4rem}
.related{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1rem}
.cardlink{display:block;flex:1 1 14rem;padding:1rem 1.2rem;border-radius:4px;background:#202228;text-decoration:none;font:700 1rem var(--hf);letter-spacing:.08em;text-transform:uppercase;border-left:4px solid var(--acc)}
.cardlink small{display:block;font:400 .9rem system-ui,sans-serif;letter-spacing:0;text-transform:none;color:var(--sec);margin-top:.2rem}
.cardlink:hover{background:#2a2c34}
/* form */
label{display:block;font:700 .875rem var(--hf);letter-spacing:.1em;text-transform:uppercase;margin:1.2rem 0 .4rem}
input,select,textarea{width:100%;min-height:44px;padding:.6rem .8rem;background:#101114;color:var(--text);border:1px solid #6b6f7b;border-radius:4px;font:inherit}
textarea{min-height:9rem;resize:vertical}
.hint{color:var(--sec);font-size:.875rem;margin:.3rem 0 0}
.err{color:#ff9a9a;font-size:.9rem;min-height:1.2em;margin:.3rem 0 0}
.btns{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.2rem}
.divider{border:0;border-top:6px solid var(--acc);margin:2.5rem 0 1.5rem}
#status{min-height:1.6rem;color:#e6e8ec;font-weight:600}
/* legal */
.legal h2{margin-top:2.2rem}
.toc{background:#14151a;border-radius:4px;padding:1rem 1.2rem 1rem 2.4rem;margin:1.5rem 0}
.toc li{margin-bottom:.3rem}
/* footer */
.site-footer{background:#050506;border-top:4px solid var(--acc);margin-top:4rem;padding:3rem 0 2.5rem;color:var(--sec)}
.foot{max-width:72rem;margin:0 auto;padding:0 1rem;display:grid;gap:1.5rem}
.foot>*{min-width:0}
.foot p{margin:0}
.foot-brand{font:700 1.1rem var(--hf);letter-spacing:.1em;color:var(--text)}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.2rem 1.4rem}
.foot li{margin:0}
.foot a{color:var(--text);display:inline-flex;align-items:center;min-height:44px}
.fine{font-size:.9rem;border-top:1px solid var(--line);padding-top:1.2rem}
@media(min-width:900px){.foot{grid-template-columns:1fr 1fr}.foot nav,.fine{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}