:root{--bg:#000;--fg:#fff;--dim:#8d8d8d;--line:#232323}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--fg);text-underline-offset:4px}
a:hover{color:var(--dim)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}

/* home */
.home{min-height:100vh;min-height:100svh;display:flex;flex-direction:column}
.top{display:flex;justify-content:space-between;align-items:center;padding:26px 28px;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
.top a{color:var(--dim);text-decoration:none}
.top a:hover{color:var(--fg)}
.hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 42%,rgba(255,255,255,.075),transparent 70%);pointer-events:none}
.mark{position:relative;font-weight:700;letter-spacing:-.045em;line-height:.95;margin:0;font-size:clamp(44px,12.5vw,148px)}
.mark span{color:var(--dim);font-weight:300}
.rule{position:relative;width:56px;height:1px;background:var(--fg);margin:38px auto 30px;opacity:.9}
.tags{position:relative;list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 34px;font-size:clamp(12px,1.5vw,14px);letter-spacing:.34em;text-transform:uppercase}
.tags li{margin:0;padding-left:.34em}
.sub{position:relative;max-width:520px;margin:30px auto 0;color:var(--dim);font-size:17px}
.cta{position:relative;margin-top:40px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;padding:13px 26px;border:1px solid var(--fg);border-radius:999px;text-decoration:none;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg);background:transparent;cursor:pointer;font-family:inherit;line-height:1.2}
.btn.solid{background:var(--fg);color:var(--bg)}
.btn:hover{background:var(--fg);color:var(--bg)}
.btn.solid:hover{background:transparent;color:var(--fg)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--fg);outline-offset:4px}

details.co{border-top:1px solid var(--line)}
details.co summary{list-style:none;cursor:pointer;text-align:center;padding:22px 20px;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim)}
details.co summary::-webkit-details-marker{display:none}
details.co summary::after{content:" +";color:var(--fg)}
details.co[open] summary::after{content:" –"}
details.co summary:hover{color:var(--fg)}
.cols{max-width:900px;margin:0 auto;padding:6px 24px 40px;display:grid;grid-template-columns:1fr 1fr;gap:10px 56px;font-size:15px;justify-items:center}
.cols h2{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);font-weight:600;margin:0 0 12px}
.cols p{margin:0}
.cols .k{color:var(--dim)}

footer{border-top:1px solid var(--line);color:var(--dim);font-size:13px}
footer .in{max-width:1100px;margin:0 auto;padding:22px 28px 30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
footer a{color:var(--dim);text-decoration:none}
footer a:hover{color:var(--fg)}

/* documents */
.doc-top{border-bottom:1px solid var(--line)}
.doc main{padding:64px 0 88px}
.doc h1{font-size:clamp(32px,6vw,52px);line-height:1.08;letter-spacing:-.02em;margin:0 0 20px}
.doc h2{font-size:20px;margin:44px 0 10px}
.doc p{margin:0 0 16px}
.doc ul{padding-left:20px;margin:0 0 16px}
.doc li{margin-bottom:6px}
.meta{color:var(--dim);font-size:15px}

@media (prefers-reduced-motion:no-preference){
  .mark,.rule,.tags,.sub,.cta{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
  .rule{animation-delay:.12s}.tags{animation-delay:.2s}.sub{animation-delay:.3s}.cta{animation-delay:.4s}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}
@media (max-width:640px){.cols{grid-template-columns:1fr}.top{padding:20px}.tags{gap:8px 22px;letter-spacing:.26em}footer .in{padding:20px}}